PENGUJIAN EFEK ANTI JAMUR DARI EKSRAK DAUN SIRIH-SIRIH (Piper
aduncum L) terhadap Altenaria Porri PENYEBAB PENYAKIT BERCAK UNGU PADA
BAWANG MERAH
Nurbailis, Endang Widyastuti, Syafruddin Mahyuddin
Nomor Konrak : 04/LP-UA/SPP-DPP/K/V/2001
ABSTRAK
The experiment of evaluation of unfungal effect of piper aduncum extract to
alternaria porri causing purple spont on red onion had done in chemistry laboratory and
plant disease laboratory Andalas University Padang. The experiment was done from Juni
to Oktober 2001. The objective of the experiment was to determine unfungal effect of sirihsirih weed ( Piper aduncum) extract to growing alternaria porri.
The treatments were arranged in completely randomise design with six treatment
and four replications. The treatment were extract concentrations of sirih-sirih weed ( Piper
Aducum : 0 ml/100ml aqiadest, 1ml/100ml aquadest, 2ml/100ml aquadest, 3ml/100ml
aquadest, 4ml/aqiadest and 5ml/100mlaquadest. Variables observed were; colony diameter,
number, of conidia, fresh and dry weight of colony.
The result of the experiment indicated that adding of sirih-sirih weed ( Piper
aduncum ) extract for all concentration reduce the growth of Alternaria porri. The best
concentration was ml/100ml/aquadest.