Population Density of Pests Associated with Some Phasoulus vulgaris Varieties in Fayoum Governorate

Abstract

Ecological studies on pests associated with three varieties of Phaseoulus vulgaris, namely, Bronko, Nibraska and Polista were carried out at Fayoum Governorate for two successive seasons 2016 and 2017. Survey revealed that, the existence of one species of mites, Tetranychus urticae Koch and four species of insects. Population densities and seasonal fluctuations in relation to weather conditions were estimated.