Identification and population fluctuation Empoasca in varieties of Phaseolus vulgaris L. in Villa Clara, Cuba

Abstract

The study of the bean leaf hope in Villa Clara was based on the identification the species, aspects on her incidence and population fluctuation. For their identification they took sample fields cultivated in different towns and for population fluctuation they took four replicas and six varieties according to cultivations time in correspondence with the climatic variables. Empoasca kraemeri was determined Ross and Moore as predominant species in bean cultivation on Villa Clara province. The adults invaded the fields between the 4 and 8 days of having germinated the plants and nymphs appeared later 7 days. The black varieties ICA-pijao and Cuba Cueto 25-9 presented a smaller incidence with regard to Velasco Largo and Bat-482 that presented bigger incidence of the hope leave during the whole biological cycle of the cultivation. The population picks you evidences in the first phase phenologic of the cultivation (V2) and in the phase phenologic (R4) giving beginning to a second generation in the field.

Keywords

• common bean
• leafhope
• varieties