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Bulletin of Entomological Research 61: 523-531. 125. Adomako, D. (1974). Chemical characterization of cocoa pectin. Chemistry and Industry 1974: 873-874. 126. Adomako, D. (1974). Isolation of cocoa swollen shoot virus from cocoa leaves by precipitation and chromatography on Celite 545 with polyethylene glycol. Turrialba 24: 35-37. 127. Adomako, D. (1974). The suitability of a new technique for processing cocoa beans for the exploitation of cocoa by-products. In: International Kongress Kakao Schokoladeforschung, 1974, Munchen, FRG. pp. 80-84. 128. Adomako, D. (1975). A review of researches into the commercial utilization of cocoa by-products with particular reference to the prospects in Ghana. CMB Newsletter 61: 12-20. 129. Adomako, D. (1975). Methyl bromide residues in fumigated cocoa beans. In: Origin and Fate of Chemical Residues in Food, Agriculture and Fisheries. Vienna, Austria, IAEA. pp. 121-129. 130. Adomako, D. (1975). 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Non-traditional uses of cocoa; the prospects in producing countries. Paper presented at the 6th Meeting of the Advisory Group on the World Cocoa Economy, The Hague, The Netherlands 1989, organised by the International Cocoa Organization. 141. Adomako, D. (1989). Serological methods for the detection of swollen shoot virus. In: Cocoa Swollen Shoot Workshop, 25-26 July 1989, edited by M. Manu and E. K. Tetteh. pp. 24-25. 142. Adomako, D. (1990). Review of the research work at the Cocoa Research Institute of Ghana (CRIG) with particular reference to its impact on the small farmer. In: Proceedings of the1st Farming Systems Workshop, CRIG, Tafo, Ghana. pp. 5-13. 143. Adomako, D. (1991). Processing of cocoa wastes into by-products. Ghana Journal of Biochemistry, Biotechnology and Molecular Biology 1: 8893. 15 144. Adomako, D. (1992). Opportunity studies on the manufacture of byproducts and some non-traditional cocoa products in Ghana. Tafo, Cocoa Research Institute of Ghana. 18p. 145. Adomako, D. (1992). Pre-feasibility studies on cocoa by-products, prepared for the Government of Ghana under UNIDO/NIB Project; based on the work of local consultant, Dr. Daniel Adomako. Substantive officers: Dr. J.M. Sait (CTA) and Dr. B. Adu-Amankwa (NPC). 23p. 146. Adomako, D. (1996). Towards commercial production of by-products and non-conventional products from cocoa waste and beans. In: Proceedings of the 2nd Malaysian International Cocoa Conference, 1994, Kuala Lumpur, Malaysia. pp. 337-350. 147. Adomako, D.; Frimpong, E. B.; Ampofo, S. T.; Brew, K. M. (1990). Observations on cocoa flushing in Ghana under different shade regimes, with particular reference to the distribution of natural light. Planter 66: 565-579. 148. Adomako, D.; Gyedu, E.; Takrama, J. F.; Asante, E.G. (1996). Pilot plants to process cocoa by-products in Ghana: Production cost analysis for various products. Tafo, Cocoa Research Institute. 28p. 149. Adomako, D.; Halm, B. J.; Amponsah, J. D. (1987). 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Production of vinegar from cocoa sweatings. South Indian Horticulture pp.104-106. 155. Adomako, D.; Okai, D. B.; Osafo, E. L. K. (1985). Effect of different levels of cocoa pod husk on performance and carcass characteristics of finisher pigs. In: Proceedings, 9th International Cocoa Research Conference, Lome, Togo, 1984. pp. 455-459. 156. Adomako, D.; Oppong, Helena; Gyedu, Esther; Tuah, A. K.; Dodoo, R. E.; Hanson, F. K. N. (1999). Pilot-scale production of cocoa pod husk ash for the soft soap industry in Ghana. In: Proceedings, 12th International Cocoa Research Conference, Salvador, Bahia, Brazil, 1996. pp.1021-1026. 157. Adomako, D.; Osei, S.A.; Sarpong, P. K.; Frimpong, E. B. (1995). Response of laying chickens fed to graded levels of cocoa pod husk meal. Journal of the University of Science and Technology 15: 5-8. 158. Adomako, D.; Osei-Amaning, E. (1996). Livestock feeding trials with cocoa pod husk in Ghana. Cocoa Research Institute of Ghana. Technical Bulletin. 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Opoku-Ameyaw, K.; joint author (1998). Evaluation of Basta (Glufosinate ammonium) for weed control in coffee, by F. K. Oppong, K. OseiBonsu, F. M. Amoah and K. Opoku-Ameyaw. Journal of the Ghana Science Association; 1: 60-68. 174 1703. Opoku-Ameyaw, K.; joint author (1999). Evaluation of bare-root method for transplanting cocoa seedlings, by F. M. Amoah, K. OpokuAmeyaw, K. Osei-Bonsu and F. K. Oppong. Ghana Journal of Agricultural Science 32: 69-77. 1704. Opoku-Ameyaw, K.; joint author (1999). The effect of time of planting at stake on cocoa seedling survival, by F. K. Oppong, K. OpokuAmeyaw, K. Osei-Bonsu, F. M. Amoah, K. M. Brew and K. Acheampong. Ghana Journal of Agricultural Science 32: 79-86. 1705. Opoku-Ameyaw, K.; joint author (2000). Sustainable cocoa production in Ghana through soil fertility management, by M. R. Appiah, K. Ofori-Frimpong, A. A. Afrifa, E. G. Asante, K. Opoku-Ameyaw and J. B. Danquah. : Margaret Opferkuch Award for Best Innovation in the Cocoa Industry in Ghana for the year 2000. 27p. 1706. Opoku-Ameyaw, K.; joint author (2001) The effect of seedling age on the survival rate of transplanted bare-rooted cocoa seedlings, by F. M. Amoah, K. Opoku-Ameyaw, K. Osei-Bonsu and F. K Oppong. In: Proceedings, 13th International Cocoa Research Conference, Kota Kinabalu, Malaysia, 2000. pp. 1215-1219. 1707. Opoku-Ameyaw, K.; joint author (2002). Cocoa-coconut intercropping in Ghana: agronomic and economic perspectives, by K. Osei-Bonsu, K. Opoku-Ameyaw, F. M. Amoah and F. K. Oppong. Agroforestry Systems 55(1): 1-8. 1708. Opoku-Ameyaw, K.; joint author (2002). The effect of spatial arrangement on the growth, yield and management practices of Robusta coffee (Coffea canephora) in Ghana, by F. M. Amoah, K. Osei-Bonsu, F. K. Oppong and K. Opoku-Ameyaw, Tropical Science 42: 656662. 1709. Opoku-Ameyaw, K.; joint author (2005). Managing weeds in coffee and cocoa plantations, by F. K. Oppong, K. Opoku-Ameyaw, K. OseiBonsu and F. M. Amoah. Journal of the Ghana Science Association (In Press) 1710. Opoku-Ameyaw, K.; joint author (2005). The effect of mulch on the establishment and early yield of cocoa, by F. M. Amoah, K. OseiBonsu, F. K. Oppong, K. Opoku-Ameyaw and K. Ofori-Frimpong. In: Proceedings, 14th International Cocoa Research Conference, Accra, Ghana, 2003. pp. 1301-1308. 1711. Opoku-Ameyaw, K.; joint author (2005). The effect of seedling age at transplanting on the growth and early yield of bare-root cocoa seedlings, by F. M. Amoah, K. Opoku-Ameyaw, K. Osei-Bonsu and F. K. Oppong. In: Proceedings, 14th International Cocoa Research Conference, Accra, Ghana, 2003. pp. 1309-1314. 175 1712. Opoku-Ameyaw, K.; joint author 2005). The establishment and early yield of cocoa interplanted in oil palm plantation, by F. M. Amoah, B. N. Nuertey, F. K. Oppong, K. Osei-Bonsu, K. Opoku-Ameyaw, and T. E. O. Asamoah. Journal of the Ghana Science Association 8: 124-131. 1713. Opoku-Ameyaw, K.; joint author (2006). Sustainable cocoa production in Ghana through soil fertility management, by M. R. Appiah, K. Ofori-Frimpong, A. A. Afrifa and K. Opoku-Ameyaw. In: Proceedings of the International Conference on Managing Soil Resources of the Tropics for Sustainable Agricultural Productivity and Annual General Meeting of the Soil Science Society of Ghana. 17/18: 121-129. 1714. Opoku-Ameyaw, K.; joint author (2007). Comparison of Cocoa Research Institute of Ghana recommendations and traditional farmer methods on cocoa establishment, by F. K. Oppong, E. G. Asante, K. OpokuAmeyaw, E. A. Dwomoh, K. Ofori-Frimpong and A. Osei-Wusu. In: Proceedings, 15th International Cocoa Research Conference, San Jose, Costa Rica, 2006. pp. 273-280. 1715. Opoku-Ameyaw, K.; joint author (2007). Comparison of methods of field planting on cocoa seedling survival and early growth in a marginal cocoa-growing area of Ghana, by F. K. Oppong and K. OpokuAmeyaw. Ghana Journal of Agricultural Science 40(2): 199-205. 1716. Opoku-Ameyaw, K.; joint author (2007). Drying process and Ghanaian green coffee quality. 1. Crude protein, pH and Caffeine levels, by S. T. Lowor, F. M. Amoah and K. Opoku-Ameyaw. African Journal of Agricultural Research 2: 698-699. 1717. Opoku-Ameyaw, K.; joint author (2007). Investigations into the critical period of weed competition in young Theobroma cacao L., by F. K. Oppong, K. Opoku-Ameyaw, K. Ofori-Frimpong and F. OwusuAnsah. In: Proceedings, 15th International Cocoa Research Conference, San Jose, Costa Rica, 2006. pp. 281-290. 1718. Opoku-Ameyaw, K.; joint author (2007). Locational and maturity effects on cashew tree gum production in Ghana, by E. Gyedu-Akoto, I. Oduro, F. M. Amoah, J. H. Oldham, W. O. Ellis, K. Opoku-Ameyaw and R. B. Hakeem. Scientific Research and Essay 2(11): 499-501. 1719. Opoku-Ameyaw, K.; joint author (2007). Rheological properties of aqueous cashew tree gum solutions, by E. Gyedu-Akoto, I. Oduro, F. M. Amoah, J. H. Oldham, W. O. Ellis and K. Opoku-Ameyaw. Scientific Research and Essay 2(10): 458-461. 176 1720. Opoku-Ameyaw, K.; joint author (2008). Physico-chemical properties of cashew tree gum, by E. Gyedu-Akoto, I. Oduro, F. M. Amoah, J. H. Ellis, W. O. Oldham, K. Opoku-Ameyaw and R. B. Hakeem. African Journal of Food Science 2(5): 60-64. 1721. Opoku-Ameyaw, K.; joint author (2008). Quality estimation of cashew gum in the production of chocolate pebbles, by E. Gyedu-Akoto, I. Oduro, F. M. Amoah, J. H. Oldham, W. O. Ellis, K. OpokuAmeyaw, F. Asante and S. Bediako. African Journal of Food Science 2(2): 16-20. 1722. Opoku-Ameyaw, K.; joint author (In press). Determining the critical period of weed competition in young clonal Robusta coffee in Ghana, by F. K. Oppong, K. Opoku-Ameyaw and Owusu-Ansah, F. In: Proceedings of the 22nd International Scientific Colloquium on Coffee , Campinas, SP-Brazil, 14-19 September 2008. 1723. Oppong, F. K. (2005). Triasulfuron inhibition of Vicia faba. Journal of the Ghana Science Association 7: 47-55. 1724. Oppong, F. K.; Appiah, M. R.; Osei-Bonsu, K.; Amoah, F. M. (2002). The movement and persistence of triclopyr (Garlon 2) in some Ghanaian cocoa growing soils. In: Managing Soils for Sustainable Production of Food and Industrial Crops: Proceedings of the 16th Annual General Meeting of the Soil Science Society of Ghana, 1999. pp. 4956. 1725. Oppong, F. K.; Asante, E. G.; Opoku-Ameyaw, K.; Dwomoh, E. A.; Ofori-Frimpong, K.; Osei-Wusu, A. (2007). Comparison of Cocoa Research Institute of Ghana recommendations and traditional farmer methods on cocoa establishment. In: Proceedings, 15th International Cocoa Research Conference, San Jose, Costa Rica, 2006 pp. 273-280. 1726. Oppong, F. K.; Asante, E. G.; Osei-Bonsu, K.; Acheampong, K.; Amoah, F.M. (2005) Agronomic and economic evaluation of different weed management options in young cocoa. In: Proceedings, 14th International Cocoa Research Conference, Accra, Ghana, 2003. pp. 291301 1727. Oppong. F. K., Ofori-Frimpong, K.; Fiakpornu, R. (2007). Effects of polybag size and foliar application of urea on cocoa seedling growth. Ghana Journal of Agricultural Science 40(2): 207-213. 1728. Oppong, F. K.; Opoku-Ameyaw, K. (2007). Comparison of methods of field planting on cocoa seedling survival and early growth in a marginal cocoa-growing area of Ghana. Ghana Journal of Agricultural Science 40(2): 199-205. 177 1729. Oppong, F. K.; Opoku-Ameyaw, K.; Ofori-Frimpong, K.; OwusuAnsah, F. (2007). Investigations into the critical period of weed competition in young Theobroma cacao L. In: Proceedings, 15th International Cocoa Research Conference, San Jose, Costa Rica, 2006. pp. 281-290. 1730. Oppong, F. K.; Opoku-Ameyaw, K.; Osei-Bonsu, K.; Amoah, F. M. (In press). Managing weeds in coffee and cocoa plantations. Journal of the Ghana Science Association. 1731. Oppong, F. K.; Opoku-Ameyaw, K.; Osei-Bonsu, K.; Amoah, F. M.; Brew, K. M.; Acheampong, K. (1999). The effect of time of planting at stake on cocoa seedling survival. Ghana Journal of Agricultural Science 32: 79-86. 1732. Oppong, F. K.; Opoku-Ameyaw, K.; Owusu-Ansah, F. (In press). Determining the critical period of weed competition in young clonal Robusta coffee in Ghana. In: Proceedings of the 22nd International Scientific Colloquium on Coffee, Campinas, SP-Brazil, 14-19 September 2008. 1733. Oppong, F. K.; Osei-Bonsu K.; Amoah, F. M. (1990). Evaluation of the use of herbicides for weed control in cocoa and coffee plantations in Ghana. In: Proceedings of the 3rd Tropical Weed Science Conference, 1990. Kuala Lumpur, Malaysian Plant Protection Society. pp. 139144. 1734. Oppong, F. K.; Osei-Bonsu, K.; Amoah, F. M. (1994). Effects of density and slashing of Chromolaena odorata on the growth of young cocoa seedlings. In: Proceedings, 11th International Cocoa Research Conference, Yamoussoukro, Republique de Côte d’Ivoire, 1993. pp. 941-945. 1735. Oppong, F. K.; Osei-Bonsu, K.; Amoah, F. M. (1999). The efficacy of low volume application of Roundup (Glyphosate) on weed suppression in some plantation crops in Ghana. Journal of the Ghana Science Association (Special Edition) 2(3): 40-48. 1736. Oppong, F. K.; Osei-Bonsu K.; Amoah F. M. (2003). The seed bank of weed species in three ecosystems in a semi-deciduous forest zone in Ghana. Tropical Science 43: 80-85. 1737. Oppong, F. K., Osei-Bonsu K.; Amoah F. M. (2007). Appraisal of some methods of weed control during initial establishment of cocoa in a semi-deciduous forest zone of Ghana. Ghana Journal of Agricultural Science 40: 67-72. 178 1738. Oppong, F. K.; Osei-Bonsu K.; Amoah F. M.; Acheampong K. (1997). Effectiveness of Glyphosate in controlling weeds during cocoa establishment. In: Proceedings of the 1st International Cocoa Pests and Diseases Seminar, Accra, Ghana, 1995. pp. 280-285. 1739. Oppong, F. K.; Osei-Bonsu, K.; Amoah, F. M.; Acheampong, K. (1998). Potential use of Flemingia macrophylla as mulch for managing weeds in young cocoa in Ghana. Ghana Journal of Agricultural Science 31: 67-72. 1740. Oppong, F. K.; Osei-Bonsu, K.; Amoah, F. M.; Opoku-Ameyaw, K. (1998). Evaluation of Basta (Glufosinate ammonium) for weed control in coffee. Journal of the Ghana Science Association 1(1): 60-68. 1741. Oppong, F. K.; Osei-Bonsu, K.; Ofori-Frimpong, K. (2005). Residual effects of oxyfluorfen on cocoa seedlings and its mobility in cocoagrowing soil. Journal of the Ghana Science Association (In Press) 1742. Oppong, F. K.; Sagar, G. R. (1992). Degradation of triasulfuron in soil under laboratory conditions. Weed Research 32: 167-173. 1743. Oppong, F. K.; Sagar, G. R. (1992). The activity and mobility of triasulfuron in soil as influenced by organic matter, duration amount and frequency of rain. Weed Research 32: 157-165. 1744. Oppong, F. K.; Sarfo J. E.; Osei-Bonsu K.; Amoah F. M. (2006). Effects of sulfosate on weed suppression, cocoa pod set, and yield of cocoa and coffee. Ghana Journal of Agricultural Science 39(2): 115-122. 1745. Oppong, F. K.; joint author (1993). Effect of the stage of ripening and frequency of harvesting on the quality of Robusta coffee in Ghana, by K. Osei-Bonsu, F. M. Amoah and F. K. Oppong. Paper presented at the 18th Biennial Conference of the Ghana Science Association, 1993, Legon, Accra, Ghana. 1746. Oppong, F. K.; joint author (1993). Effect of time of harvesting on yield and harvest quality of Robusta coffee, by K. Osei-Bonsu, F. M. Amoah, F. K. Oppong and F. S. Gyampoh. In: Proceedings of the 15th International Scientific Colloquium on Coffee, Montpellier, France, 1993. Paris, ASIC. pp. 803-806. 1747. Oppong, F. K.; joint author (1995). Under-planting oil palm with cocoa in Ghana, by F. M. Amoah, B. N. Nuertey, K. Baidoo-Addo, F. K. Oppong, K. Osei-Bonsu, and T. E. O. Asamoah. Agro-forestry Systems 28: 1-11. 179 1748. Oppong, F. K.; joint author (1996). Responses of improved Robusta coffee to location and management practices in Ghana, by F. M. Amoah, K. Osei-Bonsu and F. K. Oppong. Experimental Agriculture 33: 103111. 1749. Oppong, F. K.; joint author (1996). Shea (Vitellaria paradoxa) intercropping systems in northern Ghana: effect of cultural practices and crop combinations on the performance of shea seedlings, by K. OseiBonsu, M. R. Appiah, F. M. Amoah and F. K. Oppong. Ghana Journal of Agricultural Science 29: 3-8. 1750. Oppong, F. K.; joint author (1997). Appraisal of methods for the eradication of cocoa swollen shoot virus-infected cocoa trees, by K. OseiBonsu, S. T. Ampofo, F. K. Oppong and F. M. Amoah. In: Proceedings, 1st International Cocoa Pests and Diseases Seminar, 1995, Accra, Ghana. pp. 213-217. 1751. Oppong, F. K.; joint author (1997). The effect of shade, stem number and spacing on Robusta coffee yield in Ghana, by F. M. Amoah, K. OseiBonsu and F. K. Oppong. In: Proceedings of the 17th International Scientific Colloquium on Coffee, 1997, Nairobi, Kenya. Paris, ASIC. pp. 528-534. 1752. Oppong, F. K.; joint author (1998). The establishment and early yield of cocoa intercropped with food crops in Ghana, by K. Osei-Bonsu, F. M. Amoah, F. K. Oppong. Ghana Journal of Agricultural Science 31: 45-53. 1753. Oppong, F. K.; joint author (1999). Economic evaluation of shea (Vitellaria paradoxa) food intercropping systems in northern Ghana, by K. Osei-Bonsu, E. G. Asante, M. R. Appiah, F. M. Amoah and F. K. Oppong. Journal of the Ghana Science Association (Special edition) 2(3): 70-80. 1754. Oppong, F. K.; joint author (1999). Evaluation of bare-root method for transplanting cocoa seedlings, by F. M. Amoah, K. Opoku-Ameyaw, K. Osei-Bonsu and F. K. Oppong. Ghana Journal of Agricultural Science 32: 69-77. 1755. Oppong, F. K.; joint author (1999). Evaluation of the initial performance of multiple stands of hybrid cocoa in Ghana, by K. Osei-Bonsu, F. K. Oppong, F. M. Amoah and K. Acheampong. In: Proceedings, 12th International Cocoa Research Conference, Salvador, Bahia, Brazil, 1996. pp.361-366. 180 1756. Oppong, F. K.; joint author (1999). Preliminary investigations into the use of inter-cropping for weed management in young coffee in Ghana, by K. Opoku-Ameyaw, F. K. Oppong, F. M. Amoah and K. Osei-Bonsu. In: Proceedings of the 18th International Scientific Colloquium on Coffee, 1999, Helsinki, Finland. Paris, ASIC. pp. 441-444. 1757. Oppong, F. K.; joint author (1999). The effect of shade and spacing on the growth and yield of improved Robusta coffee (Coffea canephora) in Ghana, by F. M. Amoah, K. Osei-Bonsu and F. K. Oppong. Journal of the Ghana Science Association 2: 109-113. 1758. Oppong, F. K.; joint author (1999). The response of some cocoa hybrids to density and pruning, by K. Osei-Bonsu, F. M. Amoah, F. K. Oppong and R. S. Amonoo. In: Proceedings, 12th International Cocoa Research Conference, Salvador, Bahia, Brazil, 1996. pp. 361-366. 1759. Oppong, F. K.; joint author (2001). Screening of some leguminous plants for soil fertility improvement and weed management during cocoa establishment, by K. Ofori-Frimpong, F. K. Oppong, M. R. Appiah and A. A. Afrifa. In: Proceedings, 13th International Cocoa Research Conference, Kota Kinabalu, Malaysia, 2000. pp. 1277-1286. 1760. Oppong, F. K.; joint author (2001). The effect of seedling age on the survival rate of transplanted bare-rooted cocoa seedlings, by F. M. Amoah, K. Opoku-Ameyaw, K. Osei-Bonsu and F. K. Oppong. In: Proceedings, 13th International Cocoa Research Conference, Kota Kinabalu, Malaysia, 2000. pp. 1215-1219. 1761. Oppong, F. K.; joint author (2002). Cocoa-coconut intercropping in Ghana: agronomic and economic perspectives, by K. Osei-Bonsu, K. Opoku-Ameyaw, F. M. Amoah and F. K. Oppong. Agroforestry Systems 55(1): 1-8. 1762. Oppong, F. K.; joint author (2002). The effect of spacing and shade on coffee growth and yield on hill tops in an oil palm plantation, by F. M. Amoah, B. N. Nuertey, K. Osei-Bonsu, F. K. Oppong, E. MarfoAhenkora and T. E. O. F. Asamoah. Journal of the Ghana Science Association 4: 73-79. 1763. Oppong, F. K.; joint author (2002). The effect of spatial arrangement on the growth, yield and management practices of Robusta coffee (Coffea canephora) in Ghana, by F. M. Amoah, K. Osei-Bonsu, F. K. Oppong and K. Opoku-Ameyaw. Tropical Science 42: 656-662. 1764. Oppong, F. K.; joint author (2003). Intercropping Robusta coffee with some edible crops in Ghana: agronomic performance and economic returns, by K. Opoku-Ameyaw, F. K. Oppong, K. Ofori-Frimpong, F. M. Amoah and K. Osei-Bonsu. Ghana Journal of Agricultural Science 36: 13-21. 181 1765. Oppong, F. K.; joint author (2004). Effect of pre-treatment and genotype of kola (Cola nitida (Vent) Schott and Endlicher) nuts on germination, growth and early yield, by G. J. Anim-Kwapong, A. AbdulKarimu and F. K. Oppong. Tropical Agriculture 82: 105-111. 1766. Oppong, F. K.; joint author (2005). Effects of two herbicides and four fungicides on insect pollination of cocoa, by J. E. Sarfo, B. Padi, F. K. Oppong, I. Y. Opoku and A. Y. Akrofi. In: Proceedings, 14th International Cocoa Research Conference Accra, Ghana, 2003. pp. 1349-1352. 1767. Oppong, F. K.; joint author (2005). The effect of mulch on the establishment and early yield of cocoa, by F. M. Amoah, K. Osei-Bonsu, F. K. Oppong, K. Opoku-Ameyaw and K. Ofori-Frimpong, In: Proceedings, 14th International Cocoa Research Conference, Accra, Ghana, 2003. pp. 1301-1308. 1768. Oppong, F. K.; joint author (2005). The effect of seedling age at transplanting on the growth and early yield of bare-root cocoa seedlings, by F. M. Amoah, K. Opoku-Ameyaw, K. Osei-Bonsu and F. K. Oppong.Procedings, 14th International Cocoa Research Conference, Accra, Ghana, 2003. pp.1309-1314. 1769. Oppong, F. K.; joint author (2005). The establishment and early yield of cocoa interplanted in oil palm plantation, by F. M. Amoah, B. N. Nuertey, F. K. Oppong, K. Osei-Bonsu, K. Opoku-Ameyaw, and T. E. O. Asamoah. Journal of the Ghana Science Association 8: 124-131. 1770. Oppong, F. K.; joint author (2006). Income intensification strategy: Determination of the optimum time to underplant oil palm with cocoa, by B. N. Nuertey, F. M. Amoah, A. Opoku, T. E. O. Asamoah, F. K. Oppong, K. Osei-Bonsu and E. Marfo-Ahenkora. Journal of the Ghana Science Association 8: 26-37. 1771. Oppong, F. K.; joint author (2007). Determination of optimum age for transplanting cashew (Anacardium occidentale) seedlings in northern Ghana, by K. Opoku-Ameyaw, F. M. Amoah, F. K. Oppong and V. Agene. African Journal of Agricultural Research 2: 296-299. 1772. Oppong, F. K.; joint author (2007). Effect of weed control methods on some soil properties of newly planted cocoa farm, by K. OforiFrimpong, A. A. Afrifa, F.K Oppong and M. R. Appiah. Ghana Journal of Agricultural Science 40(2): 127-133. 182 1773. Oppong, F. K.; joint author (In press). Evaluation of some Robusta coffee (Coffea canephora Pierre Ex A. Froehner) clones for high density planting in Ghana, by G. J. Anim-Kwapong, Esther AnimKwapong and F. K. Oppong. In: Proceedings of the 22nd International Scientific Colloquium on Coffee, Campinas, SP-Brazil, 14-19th September 2008. 1774. Oppong, F. K.; joint author (In Press). Microbial biomass and extractable N and P contents of soils under different weed control methods in cocoa plantation. Paper presented at the 17th Annual General Meeting of the Soil Science Society of Ghana, Tamale, Ghana, 26th February2nd March 2001, by K. Ofori-Frimpong, M. R. Appiah, A. A. Afrifa and F. K. Oppong. 1775. Oppong, Helena; Gyedu, Esther. (1999). Development of cocoa powder based pastries in Ghana. In: Proceedings, 12th International Cocoa Research Conference, Salvador, Bahia, Brazil, 1996. pp.1027-1031. 1776. Oppong, Helena; joint author (1996). Production of cocoa by-products from fresh cocoa pod wastes and non-traditional products from cocoa beans. D. Adomako, E. O. Amaning, C. K. Agyente-Badu, J. Takrama, Helena Oppong and Esther Gyedu. Cocoa Research Institue, Ghana. Technical Bulletin, no.14. 34p. 1777. Oppong, Helena; joint author (1998) (1998). Utilization of cocoa byproducts for nutrition, body care and food supply. Paper presented at the 9th Meeting of the Advisory Group on the World Cocoa Economy, 25-30 May, 1998, Valencia, Spain, organised by The International Cocoa Organisation, by D. Adomako, E. Osei-Amaning, C. K. Agyente-Badu, E.G. Asante, Esther Gyedu, Helena Oppong and J. Takrama. London, ICCO. 13p. 1778. Oppong, Helena; joint author (1999). Pilot plants to process cocoa byproducts in Ghana: Revised production cost analysis, by D. Adomako, E. Osei-Amaning, C. K. Agyente-Badu, J. F. Takrama and H. Oppong. Tafo, Cocoa Research Institute, Ghana. 32p. 1779. Oppong, Helena, joint author (1999). Pilot-scale production of cocoa pod husk ash for the soft soap industry in Ghana, by D. Adomako, Helena Oppong, Esther Gyedu, A. K. Tuah, R. E. Dodoo and F. K. N. Hanson. In: Proceedings, 12th International Cocoa Research Conference, Salvador, Bahia, Brazil, 1996. pp.1021-1026. 183 1780. Osei, J. K. (1978) Fruit setting, inheritance of nut colour, germination and early seedling growth of kola (Cola nitida (Vent.) Schott and Engl.) M. Sc. Thesis, Crop Science, University of Ghana, Legon, Accra, Ghana. 58p. 1781. Osei, J. K. (1995/96). Fruit setting from natural pollination and the yield of nine-year old cross-compatible Cola nitida clones. Ghana Journal of Agricultural Science 28/29: 95-97. 1782. Osei, S. A.; Atuahene, C. C.; Heathcote, D.; Frimpong, E. B.; Adomako, D. (1991). Cocoa pod-and-husk meal as a feed ingredient in layer diets. Animal Feed Science and Technology 35: 283-288. 1783. Osei-Amaning, E. (1996). Management of Vitellaria paradoxa in Guinea savanna rangelands in Ghana. Ph. D. Thesis, University of Wales, Bangor, Wales, U. K. 203p. 1784. Osei-Amaning, E.; Hall, J. B.; Aebischer, D. P.; Tomlinson, H. F.; Hindle, J. R. (1996). Vitellaria paradoxa: A Monograph. University of Wales, Bangor, U. K., School of Agriculture and Forest Sciences Publication, No. 8. 105p. 1785. Osei-Amaning, E.; Tuah, A.K.; Abu, E. K.; Frimpong, E. B.; Adomako, D. (1994). The performance of growing Djallonke lambs fed feed containing different levels of cocoa pod husk, 10% NaOH-treated corn cobs and sundried caged layer manure. In: Proceedings, 11th International Cocoa Research Conference, Yamoussoukro, Republique de Cote Côte d’Ivoire. 1993. pp.791-796. 1786. Osei-Amaning, E.; Tuah, A. K.; Adomako, D.; Frimpong, E. B. (1990). The performance of West African shorthorn breed of cattle grazing under sheanut trees in the Bole district in the Guinea Savannah zone of Ghana. In: Proceeding of the 1st African Small Ruminants Research Networks Conference, 1990, Nairobi, Kenya. pp. 35-39. 1787. Osei-Amaning, E.; joint author (1989). The productivity of cattle raised under sheanut trees in the Bole District of the Northern Region - A preliminary report, by A. K. Tuah, E. Osei-Amaning, D. Adomako and E. B. 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In: Proceedings, 10th International Cocoa Research Conference, Santo Domingo, Dominican Republic, 1987. pp. 719-723. 2342. Yirenkyi, J. E. K.; joint author (1987). Twenty years' results from a shade and fertilizer trial on Amazon cocoa (Theobroma cacao L.) in Ghana, by Y, by Ahenkorah, B. J. Halm, M. R. Appiah, G. S. Akrofi and J. E. K. Yirenkyi. Experimental Agriculture 23: 31-39. 2343. Yiridoe, E. K.; Anchirinah, V. M. (2005). Garden production systems and food security in Ghana: Characteristics of traditional knowledge and management systems. Renewable Agriculture and Food Systems 20: 168-180. 239 Subject index A Acer species, 486, Acetic acid bacteria, 866, 867. Actara 240 SC, 1988. Adansonia digitata, 726, 1355. Africa, 675. Agodi, 2268. Agricultural credit, 638. Agricultural research, 1325. Agricultural technology, 992. Agriculture, 545, 738. Agroforestry, 574. See also Cocoa Agroforestry Akantomyces, 1062. Albizia, 540, 541, 628, 972. Albizia zygia, 539, 548, 549, 550, 2187, 2188. Aluminium, 1399, 1561. Amazon Basin, 2058. Amazon cocoa Ghana, 1188. growth, 833. incompatibility, 2032. manurial experiments, 322, 325. potassium deficiency, 73. pruning, 785, 1188. shade and fertilizer trial, 339, 703. shade and manurial experiment (K2-01), 322, 325. shaded, 768. swollen shoot disease/virus, effect of, 833. unshaded, 73. yield, 833. See also Upper Amazon cocoa. Amelonado cocoa, 910, 1477, 1478. climate, 910. fermentation, 401, 402, 405, 2083, 2086. Ghana, 1409, growth, 833, 1409. insect fauna, 768. irrigation of, 1260. manurial experiment (K1), 323. performance, 1192, 1193. physiology, 1260. polyphenols, 2084. pruning, 785. quality, 2084. root system, 315. shade and manurial experiment (K1), 323. spacing, 2135. yield, 833, 924, 1409, 1260. Ammonia volatilization, 68. Anacardium occidentale see Cashew Anomis leona, 2111. 240 Anthocyanins, 1297. Antique, 627. Antiserum, 2109. Ants, 864, 1059, 1060, 1221. 1382, 1495. Aphids, 834, 1076. Arabusta coffee, 530, Arthropods, 195, 1059. Arylsulphatase activity, 578, 580. Ashanti, 733, 742. B Bacillus thuringiensis, 1014. Barley, 528. Barrier crops, 1603. Bassa 500 EC, 1988. Basta, 1739. Bathycoelia thalassina, 1434, 1940, 1954. abundance, 1950, 1957. biology, 1497, 1941, 1942, 1944. control, 1497, 1941, 1953. damage, 1434, 1946, 1959. distribution, 1950. dispersal, 1951. ecology, 1942. egg production, 1948, 1956. feeding, 1959. flight, 1951. host plants, 1955. mating, 1956. natural enemies, 1439, 1947. parasitoid, 1962. Beauveria bassiana, 50. Belgian Congo, 1537. Bifenthrin, 195. Biodiversity, 546, 883. Biotechnology, 1037, 1108. Biological control, 50, 817, 1536, 2149. Bixadus sierricola, 1986. Black citrus aphid, 1076. Blackpod disease, 355, 952, 1477, 1478, 1663, 2249, 2308. control, 359, 360, 363, 676, 1231, 1654, 1655, 1656, 1659, 2305. epidemiology, 1058. farmer perception, 656, 1231. fertilizers, effect of, 950. forecasting, 954. fungicides, for control of, 672, 673, 1654, 1659, 1663. Ghana, 216, 355, 359, 360, 363, 670, 671, 676, 773, 938, 941, 942, 944, 948, 950, 953, 956, 959, 960, 1057, 1405, 1664, 1231, 2260, 2307, 2310, inoculum, 943. isolates, 685. incidence, 95, 773, 950, 1405, 1423, 2260. losses from, 1419. pattern, 504, 942, 956. phosphonic acid, to control, 1656. 241 Blackpod disease, (continued) potassium phosphonate, to control, 1655. resistance, 4, 216, 504, 506, 509, 680, 935, 942, 956, 1649, 2248, 2250, 2304. roots, on, 683. shade, effect of, 950. soil, in, 952. tolerance, 2304. transmission, 1056. weather, and, 941, 953. West Africa, 2306. yield, effect on, 3, 956. See also Phytophthora megakarya and Phytophthora palmivora Bole, 1785, 2236. Boron, 270, 701, 702, 1399. Botanical pesticides, 1989, 1990. British Cocoa Swollen Shoot Project, Ghana, 1354. C Cacao see: Cocoa Calcium, 852, 1394, 1396. Calonectria rigidiuscula, 845, 846, 912, 1870. Cambial tissue, 630. Cameroon Development Corporation, 2299. Cameroons, 810, 982, 2271, 2296, 2297. Canadian Team on Mirid Resistance, 2062. Canker, 560, 936, 955, 1651, 1661, 2266. Capsids see Mirids Carbaryl, 2012. Carbohydrate, 123, 150, 420. Cashew (Anacardium occidentale), 1012, 1686, 2162. germination, 416, growth, 416, 1689. insect pests, 1007, 1008, 1009, 1010, 1011. biological control, 1012. pulp, 1548. transplanting, 1687. tree gum, 1181-1184. Cassava, 1084. Castor, 23. Cataulacus guineensis, 40. Cattle, 1548, 1785, 2236. Cecidomyiid midge, 1287. Celite, 125. Central Cocoa Research Station, Tafo, 884, 869.-872, 1167, 2331. Cephalosporium sp., 2096. Ceratopogonid midge, 815. Ceratopogonidae, 1289. Characoma stictigrapta, 350-353. Cherelle wilt, see Cocoa cherelle wilt Chicken, 156, 727, 983, 1484, 1552, 1781. Chlorpyrifos, 1014. Chocolate, 1135, 2089, 2090. 242 Cholinesterase inhibitors, 1491. Chromolaena odorata, 1733. Cirina forda, 1004, 1013. Clay minerals, 311. Climate, 545, 953, 1691-1693. Coccid pests, 865, 2151. Cocoa, 134, 2065, 2281. Cocoa agroforestry, 411, 1794, 1798. Cocoa agronomy, 1257. Cocoa alleles, 1150. Cocoa bark, 123. Cocoa bean, characteristics, 103, 1420, drying, see Cocoa drying fermentation see Cocoa fermentation flavour see Cocoa flavour germination, 90, 412, 415, 998. insect infestation, 1523, insecticide residues/taint, 128, 129, 130, 164, 1952, 1964, 1984, 2010. per pod, 1143. processing, See Cocoa processing quality, 152, 523, 533, 534, 993, 1336, 1479, 1481, 1482, 2084, 2164. size, 996, 998, 1143. shape, 1143. viability, 333, 1501. Cocoa breeding, 1127, 1518, 2076, 2165. blackpod resistance, 4, 509, 680, 216. Cocoa Research Institute of Ghana, 4, 208, 209, 211, 502, 770, 771, 1145, 1146, 1148, 1152, 1410, 1414, 1421, 1508. cocoa swollen shoot virus resistance/ tolerance, 99, 106, 214, 219, 226, 229, 230, 1231, 1305, 1410, 1414. drought resistance, 1079, 1080. improved varieties, 100. material, 725, 915, 1138, 1513. mutation breeding, 207, 209, 219, 226, 230, 231. population breeding, 104, 213. WACRI, 753, 1132, 1138, 1146, 1513, 2077. West Africa, 1129. Cocoa butter fat, 986. Cocoa by-products, 126, 127, 133, 139, 142, 143, 144, 145, 147, 158, 159, 160, 305. Cocoa canker, 560, 936, 955, 1651, 1661. 2266. Cocoa canopy, 763, 908, 995, 1270, 1654. Cocoa carbohydrate metabolism, 150. Cocoa cherelle wilt, 24, 25, 1185, 1334, 1437, 1511, 1515. Cocoa climate, 545, 796, 797, 910, 953, 1119. Cocoa clones, 227, 503, 692, 868, 1040, 1149, 1190, 1404. Cocoa coccid pests, 865, 2151. Cocoa copper deficiency, 1392. Cocoa coppicing experiments, 1366, 2199, Cocoa crinkle leaf mutant, 218. Cocoa cultivars, 413, 489, 680, 1072, 1336, 2058. Cocoa cultivation, 731, 742, 875, 885, 918, 1805. Cocoa cuttings, 417, 418, 420, 629, 631, 633, 1190, 1512, 1514, 2071. 243 Cocoa die-back, 2272, 2282, 1295, Cocoa diploid, 1504. Cocoa diseases, 675, 739, 741, 832, 913, 970, 1267, 1268, 1279, 1660, 1869, 2217, 2256. See also: Cocoa fungal diseases, Cocoa gall diseases, Cocoa viruses, and specific names of cocoa diseases Cocoa drought tolerance, 1079, 1080, 1082, Cocoa drying, 166, 404, 2087. Cocoa economy, 365, 2067. Cocoa ecosystem, 271, 1793, 1798, 1972, 1974, 2339. Cocoa entomology, 901, 1379, 1381, 1960, 2154, 2155. Cocoa environment, 25, 89, 321, 418, 1185, 1256, 1499. Cocoa enzymes, 1240. Cocoa establishment, 72, 400, 406, 422, 432, 493, 755, 756, 928, 1081, 1085, 1564, 1696, 1724, 1736, 1737, 1800, 1805, 2136. Cocoa extension services, 485, 637, 730, 739, 744, 1325, 1814. Cocoa farmers, 141, 358, 364, 521, 523, 655, 656, 728, 729, 730, 731, 732, 733, 735, 739, 742, 744. 1231, 1325, 1725. women, 636. Cocoa farming, 1562, 1811, 1812, 1813. Cocoa farms, 40, 43, 44, 71, 359, 411, 492, 1121, 1379, 1385, 1557, 1562, 1685, 1965, 2268. Cocoa fermentation, 152, 166, 522, 533, 758, 759, 993, 1241, 1306, 2087, 2088, 2089, 2322. Amelonado cocoa, 401, 402, 405, 2083, 2086. heap, 866, 867, 2086. single pod, 1475. small scale, 1480, 2085. tray, 401, 403. with placenta, 2163. Cocoa fertilisation, 227, 2270. Cocoa flavour, 759, 1147, 1216. Cocoa flushing, 146, 489, 795, 1171. Cocoa foliar analysis, 66, 67, 334. Cocoa fungal diseases, 356, 949, 2256. Cocoa gall disease, 842.-847, 2309. Cocoa genotypes, 45, 95, 96, 1648, 1661. Cocoa germination, see under Cocoa bean Cocoa germplasm, 212, 215, 217, 1407, 1421, 1682, 1684. Cocoa growth, 321, 413, 414, 426, 700, 786, 791, 833, 898, 925, 996, 997, 1134, 1149, Cocoa 1162, 1163, 1164, 1256, 1394, 1395, 1397, 1409, 1443, 1444, 1554, 1556, 1595, 1726, 1727, 2270. hybrids, 98, 99, 107, 109, 489, 994, 1038, 1039, 1040, 1128, 1154, 1408, 1409, 1411, 1801, 1817. incompatibility, 220, 227, 1133, 1150, 1329, 1412, 1419, 2020, 2032. industry, 576, 582, 652, 744, 1367, 1658, 1806, 1807. Cocoa Cocoa Cocoa insects see under Insects Cocoa intercropping coconut, 1558, 1816. food crops, 1696, 1800. oil palm, 421, 422. Cocoa interplanting see Cocoa intercropping Cocoa inter-varietal competition, 1156. 244 Cocoa Cocoa Cocoa Cocoa Cocoa Cocoa Cocoa Cocoa Cocoa Cocoa Cocoa Cocoa Cocoa Cocoa Cocoa Cocoa Cocoa introductions, 2, 1128, 1330. iron deficiency, 1169. land preparation, 72, 399, 400, 406, 928. lands, 548. leaf, 67, 120, 125, 163, 218, 353, 704, 838, 852, 1018, 1160, 1170, 1240, 1335, 1397, 1399, 1551, 1555, 1565, 2253. leaf blight, 963, 2311. leafless twig disease, 982. manurial experiments, 322, 323, 325, 326, 926, 927, 930, 1250, 2264. manuring, 88, 879, 880. meristem–tip culture, see: Cocoa shoot tip-culture mineral deficiency, 1168-1170, 1392, 1393, 1395, 1396, 1397. mottle leaf virus, 836, 1155, 1300. mould, 2161. necrosis virus, 163, 1875, 1299. nursery, 333, 996, 1556. nursery diseases, 682. nutrition, 65, 66, 67, 321, 334, 413, 414, 693, 696, 918, 921, 922, 929, 1393-1397, 1400. Cocoa pastries, 1774. Cocoa pectin, 121, 122, 124, 167, 1175. Cocoa pests, 675, 739, 741, 808, 817, 1054, 1231, 1267, 1268, 1279, 1382, 1438, 1887, 1996, 2217. Cocoa plant carbohydrate metabolism, 150. photosynthesis, 1256. physiology, 417, 705, 1252, 1254, 1255, 1257, 1259. Cocoa plantations, 320, 327, 539, 549, 1119, 1537, 2147. Cocoa planting at stake, 1730. high density, 218, Cocoa planting material, 1, 98, 364, 1685, 1887. Cocoa pod, 24, 90, 93, 333, 353, 489, 701, 1143, 1420, 1434, 1501, 1511, 1563, 1654, 1743, 1869, 1946. Cocoa pod husk, ash, 155, 581, 585, breeding substrate for Forcipomyia midges, 814. chemical composition, 984. compost, 1552. fertilizers, 330, 331, 337, 585. livestock feed, 154, 156, 157, 161, 167, 727, 752, 984, 1037, 1484, 1546, 1547, 1594, 1781, 1784, 2232, 2234, 2235. pectin, 121, 122, 167, soap, 155, 654. Cocoa pollen, 227, 529, Cocoa pollination, 813, 814, 815, 816, 819, 1040, 1045, 1139, 1286-1293, 1153, 1972, 2023, 2028, 2033, 2037, 2043, 2113, 2159. Cocoa polyphenols, 2084. Cocoa polyploidy, 1327. Cocoa powder, 1774. Cocoa price, 521, 653. Cocoa processing, 126, 142, 534, 1037, 1241, 1482, 2085, 2086. 245 Cocoa processing plants, 699. Cocoa production, 149, 321, 545, 546, 649, 653, 655, 728, 783, 788, 1278, 1663. Ghana, 583, 584, 586, 694, 737, 817, 879, 916, 1881, 1886, 1996, West Africa, 650. Cocoa progenies, 46, 52, 762, 763, 103, 1074, 1360, 1415, 1420, 1422, 2039. Cocoa propagation, 419. media, 412, 413. vegetative, 1191, 1516. cuttings, 417, 418, 420, 629, 631, 633, 1190, 1512, 1514, 2071. Cocoa pruning, 493, 785, 1188, 1801, 2249, 2267, Cocoa Cocoa Cocoa Cocoa Cocoa quality, See under Cocoa bean quarantine, 1882, 2196. random death, 2267. rehabilitation, 335, 338, 492, 902, 1243. research, 127, 133, 141, 356, 575, 576, 695, 697, 734, 788, 798, 808, 1109, 1231, 1266, 1344, 1482, 1505, 1507, 1524, 1532, 2019, 2031, 2040, 2059, 2063, 2067, 2184, 2185, 2194, 2274, 2277, 2278, 2298, 2301. Cocoa Research Institute of Ghana, 141, 573, 637, 828, 1166, 1814, 1960. Recommended technologies, 149, 728, 985, 1724, 1806. Cocoa Research Institute of Nigeria, 721. Cocoa roots, 314, 315, 319, 2246. Cocoa rootstock, 218. Cocoa seed gardens, 364, 1038, 1039, 1040, 1145. Cocoa seeds See Cocoa bean Cocoa seedlings, 274, 419, 947, 1086, 1740. development, 90, 412, 415, 945, 996, 1161, establishment, 422, 1085. growth, 413, 414, 426, 700, 996, 997, 1162, 1163, 1164, 1394, 1726, 1727, 1733. light, effect of, 1164, 1932. moisture stress, 414, 1085, 1086. nutrient uptake, 413, 414. potting medium, 332, 413. shade, effect of, 700. survival, 425, 1727. transplanting, bare root, 424, 425, 426. twinning, 2024. Cocoa selection, 97, 101, 105, 108, 109, 820, 1145, 1146, 1360, 1362, 1648, 2025, 2250, 2271, 2295. Cocoa shade, 146, 318, 700, 768, 852, 862, 917, 918, 925, 926, 929, 950, 996, 998, 1398, 1399, 1563, 1595, 1795, 2064, 2261, 2262. and fertilizer, 318, 324, 339, 698, 703, 787, 789, 862, 917, 922, 950. and manurial experiments, 322, 323,325, 326, 926, 927, 930, 1250. requirements, 698, 922, 929. spacing/cultivar experiment, 489. temporary, 547, 1084, 1647. unshaded, 73, 768, 925, 950, 1115, 1563, 2064. Cocoa shade trees, 411, 540, 541, 547, 550, 1653, 1805, 2188. Cocoa Cocoa Cocoa Cocoa Cocoa Cocoa Cocoa shield bug see Bathycoelia thalassina shoot-tip culture, 222, 224. soils see under Soils somatic embryos, 225. spacing, 23, 489, 493, 1795, 2135, 2249, 2267. stem borers (Eulophonotus myrmeleon), 194, 196-198, 1987. stem pitting, 1369. 246 Cocoa Cocoa Cocoa Cocoa sterility, 1328. sweatings, 153, 165, 993, 1174. swollen shoot badnavirus see Cocoa Swollen shoot virus disease swollen shoot virus/disease, 107, 700, 705, 757, 833, 1019, 1028, 1406, 1217-1220, 1244, 1252, 1302, 1305, 1350, 1351, 1352, 1354, 1358, 1359, 1362, 1363, 1364, 1365, 1367, 1389, 1395, 1406, 1414, 1416, 1417, 1442, 1444, 1445, 1487, 1530, 1598, 1604,1607,1877, 1884, 1888, 1975, 1985, 2026, 2096, 2099, 2101, 2103, 2109, 2154, 2155, 2192, 2195, 2197, 2198, 2200, 2201, 2202, 2205, 2282, 2287. control, 976, 977, 1021, 1026, 1027, 1221, 1353, 1366, 1368, 1390, 1349, 1368, 1390, 1410, 1600, 1603, 1612, 1804, 1876, 1885, 1889, 2026, 2192, 2198, 2199, 2200, 2288. detection, 135, 140, 151, 1020, 1023, 1215, 1238, 1240, 1245, 1602, 2099, 2101, 2103, 2109, 2110, 2219, 2288. diagnosis, 1018, 1022, 2015, 2029, Ghana, 488, 757, 1050, 1155, 1353, 1356, 1367, 1368, 1416, 1417, 1418, 1596, 1598, 1600, 1604, 1606, 1608, 1612, 1613, 1876, 1877, 1878, 1884, 1888, 1889, 1975, 1977, 2200. Gold Coast, 1220, 1221, 2219. hosts, alternative, 1028, 2214, 2218, 2228. inhibition, 1021. isolates, 836, 1238, 1239, 1596, 2098, 2100, 2100, 2101, 2102, 2103, 2109, 2197. mild strain protection, 1246, 1601,1605,1606,1609,1610,1611,1886. Nigeria, 1296, 1389, 1390, 1441, 1442, 1444, 2195, 2197, 2198, 2199. properties of virus, 840, 841, 1301, 2098, 2255. purification of virus, 125, 135, 151, 838, 1024, 1301. resistance of cocoa, 99, 105, 106, 131, 207, 214, 219, 226, 228, 229, 230, 231, 1304, 1360, 1416, 1418. Sierra Leone, 723, spread, 1349, 1366, 1608, 1613, 2193, 2199. strains, 1597, 1602, 1605, 1610, 2215. Togo, 1883. tolerance, 106, 1155, 1302, 1357, 1358, 1360, 1361, 1441, 1874. transmission, 2021, mechanical, 162, 834, 835, 836, 837. vectors, 812, 860, 1051, 1879, 2092, 2154, 2155. see also mealybugs West Africa, 812, 1304, 2192, 2205, 2215, 2218. Cocoa technologies, 148, 149, 358, 638, 639, 649, 728, 1298, 1806, 1807. Cocoa tetraploid, 1504, 1506. Cocoa thread blight, 679, 1380. Cocoa varieties, 99, 100, 101, 106, 275, 319, 493, 505, 767, 995, 1087, 1130, 1131, 1134, 1136, 1137, 1138, 1140, 1141, 1142, 1144, 1146, 1147, 1149, 1151, 1154, 1156, 1358, 1364, 1397, 1406, 1408, 1411, 1554, 1795, 2075, 2201, 2075. Cocoa viruses/diseases, 718, 726, 839, 945, 969, 970, 1265, 1303, 1331, 1599, 2031, 2041, 2045-2047, 2206, 2203, 2204, 2206, 2216. cross-immunity, 914. Ghana, 724, 725, 906, 908, 909, 975, 1880. Gold Coast, 907. hosts, 720, 1355, 2036, 2046, 2206, 2220, 2036. Nigeria, 2194. quarantine, 2196. resistance/ tolerance, 724, 725, 969. Sierra Leone, 722, 772, 975. 247 Cocoa viruses/diseases, (continued) spread, 2193. transmission, 2094. Trinidad, 2030. vectors, 906, 907, 908, 909, 1055. 1355, 2152. See also mealybugs West Africa, 914, 1162, 2031, 2035, 2038, 2041, 2045, 2046, 2047, 2049, 2050, 2152, 2196. See also: Cocoa necrosis virus, Cocoa swollen shoot virus and Cocoa yellow mosaic virus Cocoa wastes, 139, 142, 145, 159. See also Cocoa by-products Cocoa water relations, 698, 911, 1085, 1122, 1258. Cocoa yellow mosaic virus, 840. Cocoa yield, 3, 72, 96, 99, 101, 102, 108, 325, 422, 426, 432, 493, 691, 786, 789, 792, 795, 833, 851, 868, 898, 924, 995, 1134, 1149, 1189, 1409, 1411, 1423, 1515, 1555, 1743, 1261, 1795, 1800, 1972, 2064, 2078, 2259, 2263, 2265, 2268. Coconut, 1558, 1816. CODAPEC, 1662. Coffea canephora, see Robusta coffee Coffee, 41, 270, 490, 491, 578, 793, 1015, 1814. berry borer, 1015. breeding, 221, 535. CRIG recommended technologies, 148, 149, cultivation, 479. diseases, 357, 958, 962. drying, 1456. fertilizer, effect of, 1015. germination, 1803, 1815. Ghana, 894, 958. growth, 423, 430, 431. insect pests, 1015, 1973, 1976, 1978, 1983, 1991. intercropping with oil palm, 423. production, 148, 149, 894. quality, 1456. ramets, 1865. rooting, 1592, 1593. shade, 423, 1592. spacing, 423. stem borer, 1986. weed control, 1694, 1732, 1729.1739, 1743. yield, 423, 1743. See also Arabusta coffee and Robusta coffee chlamydantha, 1355. Cola Cola nitida diseases, 675. fruit setting, 1779, 1780. genotype, 542. germination, 542, 824, 825, 1779, 1796. germplasm, 5. growth, 542, 1779. 248 Cola nitida, (continued) nut, chemical composition, 1453. colour, 1779. preservation, 2166. processing, 642, 1453. storage, 1453, 1797. pests, 675, propagation, 22, 427. yield, 542, 799, 1780. Colletotrichum leaf blight, 963. Commelina, 1018. Confidor, 51, 1008. Copper, 1392, 1399. Coppicing experiments, 1366, 2199. Cordyceps, 1065. Cotton stainer, 2053. Crematogaster ants, 1221. Crematogaster clariventris, 864. Crematogaster spp., 859. Creontiades dilutes, 1458. CRIG dam, 1483. CRIG series II, 886. CRIG cocoa varieties, 1140, 1142, 1397. See also WACRI varieties Crosidosema plebjana, 1457. Crown rust disease, 94, 2074. Cyclodiene insecticides, 1949, 2013, 2189. Cylindromyia cribrata, 1962. Cyperdim, 1008. D Dahomey, 810. Desplatsia dewevrei, 1997. D.D.T., 1525. Dimefox, 1218. Distantiella theobroma, 911. control, 1945, 1958, 2070. feeding, 1122. Gold Coast, 2328-2330. insecticide, 989, 2054, 2056. movement, 1969. parasitism, 1326. predators, 1492. rearing methods, 2055, 2069. sex attractants, 1992. sex pheromone, 1995. Djallonke sheep, 1546, 1784, 2235. DNA probes, 2099. Drevici processing plant, 699. Dysdercus spp. 2053. 249 E Earias huegeliana, 1457, 1459. Eastern Region, Ghana, 738, 1405, 1408, 1410, 1877. Eastern Region Cocoa Project, 1876. ELISA, 1020, 1023, 2109, 2110. Empoasca spp., 1436. Entomology, 901, 1379, 1381, 1960, 2093, 2154, 2155. Entomopathogens, 50. Enzyme-linked immunorsorbent assay see ELISA Enzymes, 1241, 2340. Ephestia cautella, 1523. Ephestia elutella, 1523. Epicampoptera ivoirensis, 1978. Epicampoptera strandi glauca, 1976. Epiphytes, 26. Ethiopia, 736, 743, 745, 746. Eulophonotus myrmeleon see Cocoa stem borer F Farmers, 1, 736. See also Cocoa farmers Farming systems, 627, 743, 745, 746, 1277, 1868. Fenobucard, 1988. Fermentation see Cocoa fermentation Fertilizers, 71, 72, 320, 324, 338, 339, 573, 582, 698, 703, 787, 789, 852, 862, 917, 923, 924.1015, 1398, 1399, 1556, 1559, 1663, 1690, 2147. See also names of fertilizers Flemingia macrophylla, 547, 1738. Foliar analysis, 66, 67, 334. Food security, 328, 2342. Forcipomyia midges, 814, 816, 819. Forcipomyia squamipennis, 1288, 1291, 1293. Forest soils, 880, 919, 920. Fungal diseases, 949. Fungi, 354, 719, 1059, 1061-1066, 2096, 2256, 2283. Fungicides, 363, 672, 673, 951, 1233, 1234, 1236, 1237, 1654, 1659, 1663, 2113. See also names of fungicides G Gaeumannomyces-Phialophora complex, 354, 2283. Gall diseases, 632, 842.-847, 2309. Gamma-BHC, 881. Gamma irradiation, 230, 231, 219, 2166. Garlon 2, 1722. Gas chromatography, 2090, 2339. Gel electrophoresis, 1975, 1977. Germination, 40, 412, 415, 416, 542, 550, 824, 825, 998, 1779, 1796, 1803, 1815, 2015. Germplasm, 5, 210, 212, 215, 217, 754, 1407, 1421, 1682, 1684. 250 Ghana, 2, 4, 26, 44, 46, 49, 50, 65, 70, 71, 72, 73, 95, 98, 99, 100, 103, 107108, 109, 127, 132, 133, 137, 143, 146, 147, 155, 157, 160, 166, 194, 198, 208, 209, 210,212,213, 214, 215, 216, 217, 221, 270, 312, 316-318, 324, 315-327, 335, 336, 338, 339, 340, 351, 352, 353, 355-360, 362-364, 411, 421, 428431, 479, 484, 487, 488, 492, 509, 512-523, 5530, 531, 534, 535, 539, 540, 544, 570, 571, 574-576, 578-580, 582-587, 636, 637, 651, 652, 670, 671673, 676, 678, 680, 682, 691, 693, 694-697, 720, 724-726, 728, 730-735, 737-742, 744-746, 754, 760, 770, 771, 773, 783-785, 798, 801, 802, 813, 814-819, 827, 828, 831, 833, 834, 842, 845-847, 851, 861, 863, 864, 866, 867, 882, 883, 906, 908, 916, 918, 921, 922-923, 926, 927, 929,930, 935, 937, 938-944, 946, 948, 950, 953, 955, 956, 958, 959-961, 963, 975, 992, 1004-1008, 1011, 1014, 1018, 1026, 1027, 1039, 1046, 1047, 1050, 1051, 1054, 1057, 1059-1066, 1068, 1069, 1075, 1077, 1079, 1115, 1116, 1119, 1123, 1151, 1155, 1184, 188, 1194-1197, 1231, 1246, 1250, 1258, 1260, 1266, 1269, 1271, 2261, 2262, 2307, 2309, 2310, 2342. See also under various subjects Ghana National Cocoa Diseases and Pests Control Programme see CODAPEC. Gibberellins, 1335. Gibellula, 1061. Gimbo Woreda, 743, 745, 746. Gliricidia sepium, 273, 543. Glufosinate ammonium, 1739. Glyphosate, 1734, 1737. Goats, 2233. Gold Coast, 811, 878, 879, 880, 907, 980, 1169, 1220, 1221, 2023, 2025, 2027, 2037, 2039, 2040, 2153, 2184, 2219, 2328, 2329, 2330. Gomoah-Dawurampong, 654. Groundnuts, 834. Greenhouse, 1400. Ground covers, 72. Guinea, 1378, 2150 Guinea savannah, 1782, 1785. H Helopeltis schoutedeni, 1007, 1008, 1009, 1010. Herbicides, 487, 490, 826, 1455, 1460, 1732, 2113. Home gardens, 754, 2342. Homoptera, 45, 46, 97, 861, 862, 863, 864, 1060. Honeydew, 123, 863. Hordeum vulgare, 528. Hybrid cocoa see Cocoa hybrids Hybridization, 1500, 1502. Hymenostilbe, 1063. Hyperaspus egregia, 42. Hypothenemus hampei, 1015. I ICPCR see: Immunocapture polymerase chain reaction IEM see: Immunoelectron microscopy Imidacloprid, 195 Immunocapture polymerase chain reaction, 2101, 1238. 251 Immunoelectron microscopy, 2109. In vitro culture, 207, 223, 225, 226, 630, 1191. INCOPED see International Working Group on Cocoa Pests and Diseases Inositol phosphate, 572, 577, 587, 1197. Insectary, 2069. Insects, control, 50, 818, 1536, 1968. cashew, 1007, 1010, 1011. cocoa, 45, 46, 91, 97, 351, 352, 353, 762, 763, 764, 767, 768, 818, 860, 861, 862, 863, 864, 865, 901, 902, 1052, 1053, 1054, 1070, 1115, 1121, 1294, 1384, 1437, 1438, 1523, 1526, 1528, 1529, 1954. coffee, 1973, 1983, 1991. phenology, 1121. populations, 765, 769, 1111. shea nut, 1006. See also names of specific insects Insecticides, 47, 91, 881, 989, 1054, 1116, 1117, 1120, 1269, 1271, 1493, 1494, 1496, 1497, 1943, 1952, 1964, 1965, 1966, 1968, 1972, 1976, 1984, 2010, 2012, 2013, 2054, 2056. Systemic, 1217, 1219, 1220, 1530, 1532, 1535, 1538, 1540, 2302. See also names of individual insecticides Institut Français du Café et du Cacao (IFCC), 1883. Integrated control, see Integrated Pest Management Integrated Pest Management, 729, 729, 1887, 1953, 1973, 1963, 1985, 1986, 1996. Intercropping, see Cocoa intercropping International Capsid Research Team, 897, 899, 900, 1264. International Working Group on Cocoa Pests and Diseases, 365. Irrigation, 852, 991, 1260, 1398, 1399. Iron, 1169, 1399. Isoenzyme gel electrophoresis, 1977. K Kakum Forest Reserve, 1812, 1813. Karate, 1008. Kefa-Sheba zone, 736, 746. Kola see Cola nitida Kumba Corridor, 1325. L Lactic acid bacteria, 866, 867. Lambda-Cyhalothrin, 1014. Lasioglossum sp., 1290. Latosol soils, 578. Leaf litter see Litter Leafless twig disease, 982. Leguminous plants, 1564, 1808. Lepidoptera, 2134. Light, 146, 705, 1083, 1932, 2263. Lindane, 1496, 1974, 2013. Litter, 269, 1551, 1563, 1567. Lolium perenne, 2074. Lukolela Plantations, 1537. 252 M Magnesium, 852, 1396. Malaysia, 1018. Manganese, 1399. Mango, 632. Mealybugs, 760, 761, 858, 859, 861, 863, 1050, 1074, 1874, 2092, 2094, 2095. behaviour, 907, 1055. biology, 1046, 1047, 1048, 1980. control, 1049, 1217-1219, 1221, 1530, 1534-1536, 1982, 1985, 2096. distribution, 858, 903, identification, 1975, 1977, 1979, 1998. migration, 903. nutrition, 123. parasitism, 2048. parthenogenesis, 1980. population, 766, 903. rearing, 1071. Mealypod, 684, 937, 951. Meloidogyne incognita, 686. Meristem-tip culture, See Cocoa shoot tip-culture Mesohomotoma tessmanni, 1383. Methyl bromide, 128-130. Microbiology, 883. Microsatellites, 2165. Midges, 814, 815, 816, 819, 1287. Mirids, 895, 898, 1533, 1537, 2066, 2068. and cocoa swollen shoot virus/disease, 1296, 1382, 1495, 2195. Belgian Congo, 1537. Cameroons, 810. control, 50, 881, 895, 896, 902, 1961, 981, 1114, 1118, 1231, 1270, 1496, 1531, 1537, 1945, 1958, 1961, 1963, 1966, 1967, 1981, 1985, 1989, 1993, 2011, 2012, 2070, 2258, 2259, damage, 1270, 2328. digestive system, 1165. Ghana, 898, 1123, 1231, 1382, 1945, 1949, 1958, 1961, 1985, 1988, 2011, 2013, 2189, 2190. Gold Coast, 2184, 2328, 2329, 2330. Guinea region, 2150. insecticides, 881, 1120, 1269, 1271, 1943, 1958, 1966, 1990, 2012, 2054, 2056. resistance, 989, 1116, 1949, 2013, 2062, 2189, 2190. lesions, fungi associated with, 2256. movement, 1969. Nigeria, 981, 1296, 2195. parasitism, 1326, 1337. pheromone, 1458, 1993, 1995, 2112. population, 1123, 2183. rearing, 2055, 2069. sex attractants, 1992. West Africa, 808, 810, 897, 1118, 1120, 1165, 1264, 1529, 2258. Mistblowers, 882. See also Spraying machines Mistletoe (Tapinanthus bangwensis), 561, 1868, 2014, 2015. Molecular markers, 1682. Monoclonal antibodies, 1239. 253 Morphometric analysis, 1975. Mulches, 48, 272, 432, 1086, 1738. Mutants, 218, 219, 230, 231. N Neem extracts, 1989. Nephopterix sp., 1005. Nigeria, 810, 981, 1233-1237, 1294, 1296, 1389, 1390, 1441, 1442, 1444, 2194, 2195, 2197-2199, 2275, 2295, 2296. Nitrate, 1396. Nitrogen, 68, 123, 271, 541, 547, 852, 919, 991, 1015, 1394, 1396. Nitrogen fertilizer, 69, 274, 1555. Nitrogen-15, 274. Nomuraea, 1064. NPK fertilizer, 23, 950, Nucleic acid hybridization, 2103, 2104. Nutrition, 65, 66, 67, 123, 158, 321, 334, 694, 696, 918, 1393-1397, 1400. O Ochratoxin, 2161. ODA, 1243. Oecophylla longinoda, 859, 1012. Offinso, 1230. Oil bearing seeds, 1476. Oil palm, 421, 422, 423, 793, 1545. Okro, 1014. Organochlorine, 1454. Ortho-bux, 1974. Oxyfluorfen, 1740. Oyster mushroom, 1037. P P-32, 273, 274, 314, 315, 320, 905, 904. Paclobutrazol, 994, 995. Paecilomyces, 1064. Paraserianthes, 549, 628, 972. Paria Peninsula, 2044. Pastries, 1774. Pectin, 121, 122, 124, 136, 167, 1175. Pentadesma butyracea, 132. Pest control, 1231, 1382, 2185. Pest management, 652, 739, 1279. Pesticides, 269, 1452, 1454, 1990, 2336, 2337, 2338. See also: names of various pesticides Pests, 48, 97, 675, 739, 741, 767, 808, 810, 817, 818, 865, 902, 970, 1053, 1054, 1070, 1267, 1268, 1438, 1524, 1526, 1973, 1974, 2217, 2256, 2308. Pheidole megacephala, 864. Phenacoccus manihoti, 1879. Phenolic compounds, 131, 1240. Phenology, 1121, 1384. Pheromones, 1457, 1458, 1459, 1993, 1995, 2112. 254 Philippines, 627, 983. Phosphatase activity, 571, 572, 577, 581, 587. Phospholipid P, 1194. Phosphonic acid, 1242, 1656. Phosphorus, 65, 271, 275, 312, 570, 571, 587, 588, 852, 1195, 1196, 1396, 1565, 1566, 1567. Phosphorus fertilizer, 274, 275, 318, 1566, 1567. Photosynthesis, 1256. Phytophthora, 2097. bean invasion, 361. canker, 1651, 1661. pod invasion, 361. pod rot, see Blackpod disease Phytophthora megakarya, 364, 656, 2104, blight, 2311. cankers, stem, 560. control, 363, 1242, 1471, 1654, 1656. detection, 2104. epidemiology, 1471. Ghana, 1472, 1645, 1650, 1651, 1658. hosts, 1653. identification, 1471, 2104. isolates, 1644. resistance, 1648. roots, in, 1643, 1665, 1666, 2251. soils, in 1643, 1644. sporangia, 1485, 1646. spread, 362, 1647, 1650, 1652. zoospores, 1646. Phytophthora palmivora, 674, 681, 682, 817, 945, 1405, 1648, 2237, 2238, 2242, 2246, 2253. blight, 2311. cankers, 560, 936, 955. control, 672, 673, 1233-1237, 1656. detection, 2104. fungicides, 672, 673, 1233-1237. Ghana, 670, 673, 940, 961.1057, identification, 2104. inoculation, 670, 677, 681, 943. isolates, 940, 957, 1644, 2239, 2241, 2243, 2244. isolation, 936. Malaya, 2239. Nigeria, 1233-1237. oospores, 939, 940. resistance, 216, 503, 504, 505, 506, 507, 508, 680, 692, 1648. roots, in, 1643, 1665, 1666, 2251. soils, in, 946, 952, 1643, 1644, 2247. sporangia, 1485, 1646. spores, 2246. strains, 2240, 2241, 2244, 2245. vectors, 817, 1057. West Africa, 2240-2242, 2245. zoospores, 1646. Pigeon pea, 632. Pigs, 154, 752, 1594. Pink disease, 1657. 255 Pirimiphos-methyl, 195. Planococcoides njalensis, 42, 43, 49, 123, 1072, 1073, 1994, 1998, 2092. Planococcus citri, 43, 44, 1998. Plant viruses, 975, 2034. Pleurotus ostreotus, 1037. Pod borer moth, 93. Polycephalomyces, 1066. Polyethylene glycol, 125. Polymerase chain reaction, 1238, 1998, 2101, 2102, 2103. Polyphenoloxidase, 2250. Polyphenolic compounds, 1240. Potash fertilizer see Potassium fertilizer Potassium, 70, 73, 316, 271, 317, 585, 852, 1396. Potassium fertilizer, 69, 318, 337. Potassium posphonate, 1655. Potatoes, 1691-1693. Potting media, 332. Propoxur, 164, 1974, 2339. Pseudococcidae, 979, 980, 2153. Pseudogibellula, 1061. Pseudotheraptus sp., 1433. Pseudotheraptus devastans, 1435. Pyrethroids, 1958. Q Quarantine, 1882, 2196. R Radioactive phosphorus, 320, 904. Radioisotopes, 693, 2093. Randomly amplified polymorphic DNA see RAPD markers RAPD markers 219, 2097. Red thread disease, 94. Rice, 627. Rhizobium leguminosarum, 990. Ricinodendron heudelottii, 830. Robusta coffee (Coffea canephora), 428, 431, 544. clones, 544, 1731. cuttings, 543. drought tolerance, 532. establishment, 1808. germination, 1803. intercropping, 1695. Ghana, 428, 431, 531, 544, 1808. growth, 430, 431, 1083. management, 428, 431. pectin, 136. quality, 1799, 1802 weed competition, 1731. yield, 272, 429, 430, 431, 1802. Rosette disease, 834, Rough bollworm, 1459. 256 Roundup, 1734. Rubber, 2243. Rural appraisal, 2133. S Sahlbergella singularis Cameroons, 810. control, 50, 2070. Gold Coast, 811, 2328, 2329, 2330. host, 1997. movement, 1969. population, 2330. parasitism, 1326, 1337. rearing, 2069. resistance of cocoa, 2027. Sex attractant, 1992. sex pheromone, 1992.1995. West Africa, 809, 810. Scymnus (Pullus) sp., 42. Seed gardens, see Cocoa seed gardens Sex attractants, 1992. Sex pheromones, 1458, 1459, 1993, 1995 See also: Pheromones Shade crops, 1647. Shade trees, 411, 549, 550, 1653, 2188. Shea nut tree (Vitellaria paradoxa Gaernt), 137, 1697, 1782, 1783, 1785. defoliator, 1004, 1013. fruit borer, 1005. germplasm, 210. insects, 1006. intercropping, 1689, 1809, 1810. propagation, 1688, 2333. Sheep, 167, 1546, 1784, 2232, 2234, 2235. Shot hole borer, 1052. Sierra Leone, 722, 723, 772, 975, 2133. Silica, 74. Snakes, 1385. Soap, 155, 654. Sodium, 1399. Sodium chloride, 26. Soils, 272, 587, 928. 1085, 1554, 1086. aluminium, 1561. arylsulphatase activity, 578, 580. boron, 270. chemistry, 340, 1112. clay minerals, 311. cocoa soils, 88, 311, 312, 316, 317, 321, 327, 336, 548, 570, 571, 574, 578, 793, 876, 877, 1194, 1195, 1196, 1197, 1551, 1554, 1559, 1561, 1566, 1567, 1723, 1740. fauna, 1965. forest soils, see Tropical forest soils. fertility, 328, 340, 583, 584, 586, 851, 1558, 1563, 1564. Ghana, 65, 70, 270, 311, 312, 316, 317, 570, 571, 574, 578, 579, 586, 587, 851, 1194, 1195, 1196, 1553, 1559, 1561, 1567. 257 Soils, (continued) Gold Coast, 878, 880. inositol phosphate, 572, 577, 587, 1197. latosol, 578. management, 793. microbial biomass, 1560. moisture regimes, 2136. Nigeria, 875. nitrogen, 919, 1560. nutrients, 1558. organic matter, 1553. phosphatase activity, 571, 572, 577, 581, 587. phosphate, 1195, 1197. phospholipid P content, 1194. phosphorus, 65, 312, 570, 571, 587, 588, 1195, 1196, 1560, 1565, 1566. properties, 877, 1557. potassium, 70, 73, 316, 317, 585, 852, 1396, 1567. rehabilitation, 548, 574. silica, 74. sulfate, 579, 580. sulphate, see sulfate surveys, 874, 878, 892, 2285, 2285, 2286. tropical forest soils, 68, 919, 920, 1565. Somatic embryos, 225. South East Asia, 915. Soybean 1873. Spraying machines, 882, 1237, 1945. Stem borers, 194, 196, 197, 198, 1986, 1987. Stilbella, 1066. Sugar, 993, 1933. Suhum, 738. Sulfate, 579, 580. Sulfosate, 1743. sulphate, see sulfate Sumithion, 2012. Swollen shoot disease, see Cocoa swollen shoot disease Systemic insecticide, see under Insecticides T Tapinanthus bangwensis see Mistletoe Termites, 41, 48, 51, 52, 1294. Tetramorium aculeatum, 864, Thaimethoxam, 1988. Theobroma cacao, see Cocoa Theobroma grandiflora, 1500, 1502. Theobroma leiocarpa, 2023. Thin layer chromatography, 1455, 1460, 2336, 2337-2339. Thread blight, 679, 1380. TIBA, 1334. Togo, 810, 1883. Tomato black ring virus, 1299. 258 Toxoptera aurantii, 1068, 1069, 1075-1077. Trachysphaera fructigena, 684, 2252. Triasulfuron, 1722, 1741, 1742. Triclopyr, 1723. Trinidad, 1, 2028, 2030. Tropical forest, 1059. Tyora tessmanni, 1286. U Upper Amazon cocoa, Urea, bean characteristics, 103. clones, 227, 1040, 1404. Ghana, 862, 1040, 1404. growth, 1409. insect pests, 97. hybrids, 99, 109, 1409. pollination, 1040. progenies, 103. shade, 862. yield, 99, 107, 108, 1409. See also Amazon cocoa 1726, 1396. V Valderrama, 627. Vectors, 817, 860, 906, 908, 909, 1051, 1057, 1355, 2038, 2045, 2152. See also Mealybugs Venezuela, 2044. Vicia faba, 991, 1722. Vinegar, 152. Virobacterial agglutination test, 1244, 1245. Viruses, 1355, 2034, 2040. diseases, 975 See also specific names of viruses Vitellaria paradoxa see Sheanut W WACRI, 2273, 2277, 2279, 2280, 2289-2294, 2300. breeding materials, 1138, 1513. clones, 1190. Nigeria, 2275. Research, 1482, 2019, 2185, 2274, 2278, 2298, 2301, 2302. varieties, 1130, 1136.1138, 1140, 1141, 1154. See also CRIG varieties Water stress, 911, 1085, 1122, 2188. Weeds, 1728, 1731, 1735. control, 827, 828, 829, 1557, 1560, 1562, 1564, 1565, 1694, 1736, 1725, 1729, 1738. chemical, 784, 791, 794, 795, 829, 1732, 1734, 1737, 1739, 1743. manual, 791, 794, 795, 829. 259 West Africa, 650, 808.-810, 897, 900, 914, 915, 1052, 1118, 1120, 1121, 1129, 1162, 1304, 1330, 1345, 1378, 1471, 1476, 1524, 1529, 1869, 2031, 2035, 2038, 2041, 2045, 2046, 2047, 2049, 2050, 2075, 2134, 2151, 2192, 2215, 2217, 2218, 2240, 2241, 2242, 2245, 2253, 2258, 2305, 2306. West African Amelonado cocoa, see: Amelonado cocoa West African Cocoa Research Institute, see: WACRI Witches’ broom disease, 501. Women, 636, 640, 641, 745. World Bank, 790, 1243, 1876. X Xanthodes graellsii, 1014. Z Zinc, 313, 1169, 1399. 260