[Annual Report 87-88, technology test, sub- egion VIII - 3 Chiquimula]

anthonomus eugenii arachis hypogaea arroz cultivation cultivo cyperus fitomejoramiento fongicide fungicidas fungicides hybridation hybridization malezas mauvaise herbe oryza pests of plants phaseolus vulgaris plagas de plantas plant breeding pratique culturale ravageur des plantes sorghum bicolor sorgo weeds