Background, , The,navy,bean,(Phaseolus)vulgaris,L.),is,an,important,ingredient,of,the, BriVsh,diet,,with,many,people,in,the,UK,relying,on,baked,beans,as,a,part, of,their,fiveWaWday,nutriVon.,, , All,of,the,baked,beans,we,eat,in,Britain,(~1.7,million,cans,per,day),are, imported,,primarily,from,Canada,(Fig.%1)., , The,navy,bean,is,a,potenVally,viable,rotaVonal,crop,for,UK,farmers,, however,,and,homeWgrown,beans,could,appeal,to,people,in,Britain.,, , In,addiVon,to,the,potenVal,market,value,of,locally,produced,navy,beans,, growers,could,make,agronomic,gains,from,incorporaVng,a,leguminous, break,crop,into,their,rotaVons,,which,could,promote,soil,renewal,a[er, repeated,cereal,and,oilseed,rape,rotaVons.,, , Project%overview, , This,research,revives,heritage,navy,bean,lines,developed, for,UK,condiVons,by,crop,scienVsts,at,the,NaVonal, Vegetable,Research,StaVon,in,Wellesbourne,in,the,1980s.,, , It,involves,applying,modern,DNA,sequencing,technology, to,begin,mapping,genes,governing,the,traits,required,by, a,variety,for,UK,farmers,to,grow,navy,beans,successfully., , A%successfully%adapted%culPvar%would%be% ! coldWtolerant,for,seedling,establishment,in,spring, ! resistant,to,diseases,occurring,in,the,UK,summer, ! earlyWmaturing,so,that,the,crop,is,ready,for,harvest,in, early,September,,before,the,onset,of,autumnal,damp, weather, Fig.%1.,Sources,of,dry,bean,imports,to,the,UK,in,2010,(FAO,c2013)., 120, 112.17% 2012:% 100, Mean% seed%yield% per%rep% (x100)% 80, ContrasPng%parent%lines% 93.33% 89.67% 87.67% 60, 2013:% 46.46% Mean% plants% 40, emerged% per%rep%on% 24%Jun% 20, 41.07% Applying%modern%genePcs%and%genomics%tools, 33.74% 26.70% 0, White%seed% Brown%seed% JT15R% JT45% Fig.%2.,Mean,seed,yield,per,replicate,(x100),for,2012,field,trial,,and, mean,plants,emerged,per,rep,on,24,June,for,2013,trial.,Error,bars:,SD., Contact:,A.J.Tock@warwick.ac.uk, % One,of,the,parents,being,exploited,is,a,commercially,available,whiteW seeded,culVvar,,with,good,yield,(Fig.%2),and,canning,characterisVcs,,and, mulVple,disease,resistance.,, , The,other,parent,line,is,a,larger,,brownWseeded,accession.,This,line,is, more,coldWtolerant,and,resilient,,and,is,earlierWmaturing,,making,it,, beber,adapted,to,UK,condiVons., , , The,project,involves,developing,a,database,of,geneVc,markers,that,are, wellWdistributed,across,the,genome.,, , It,is,anVcipated,that,these,markers,–,some,of,which,will,act,as,signposts, for,the,genes,(alleles),of,interest,–,will,improve,the,ability,of,breeders,to, select,varieVes,combining,these,traits.,This,could,help,to,redress,the, UK’s,trade,imbalance,with,regard,to,this,staple,food,crop.,, Warwick Crop Centre www.warwick.ac.uk/go/wcc,