Effectiveness of some New Water Based Insecticides Against Locust and Grasshoppers Applied As LV and ULV Spray Techniques in Egypt فاعلية بعض المبيدات ذات القاعده المائية على الجراد و النطاطات عند تطبيقها بتقنية الحجوم الصغيره والمتناهية فى الصغر فى جمهورية مصر العربية

Efficacy of five water based insecticides on Schistocerca gregaria (Forskal), Locusta migratoria (Linnaeus),and multiple grasshoppers species applied as low volume (LV) and Ultralow (ULV) were tested. Obtained data indicated that descending order efficacy follow: chlorpyrifos, thiamethoxam + chlorantraniliprole, spinetoram methoxyfenozide, chlorantraniliprole then pyridalyl, in case S. both methoxyfenozide quite similar. Concerning spray characteristics, the effectiveness spraying tested pesticides diluted with 30% Propylene glycol mixture ULV technique was obvious, where droplets size, relative span, number per cm2 suitable for locust control.