Effect of neem(Azadirachta indica)water extract against cotton mealy bug (phenacocus solenopsis)

Abstract

Lab experiments were carried out in the laboratory of Entomology and Agricultural Zoology, Collage of Agricultural studies, department of plant protection Sudan University of Science and technology (SUST) in summer season 2019 to evaluate the effect of neem water extract with the addition of drop of sesame oil against cotton mealy bug Adult ( phencoccus solenopsis) . The experiments included three treatments with concentration (5%.10%.20 %.) in addition to water control. All concentrations gave significant results compared to control. The hair concentration (5%) gave the best result. Neem water extract is recommended for control of mealy bug in the future.