Prospects of neem and citronella oil against Pseudococcus longispinus (hemiptera: Pseudococcidae) on Phalaenopsis

Abstract Synthetic insecticides are still widely used in gardens and greenhouses of ornamental crops to reduce populations insect pests preserve flower quality. The improper unwise use synthetic has caused various negative impacts on humans, pests, the environment. Therefore, quest for unharmed environmentally friendly is being sought. purpose this study was examine effectiveness botanical insecticide formulation neem citronella oil control long-tailed mealybug Pseudococcus longispinus . Four concentrations neem, its mixtures (0.5, 1, 1.5, 2 per cent) were tested their by adding each with Latron at 0.5% as an emulsifier. Bioassays performed laboratory spraying Phalaenopsis leaves infested P. groups one size class, mostly represented third instar nymphs. results revealed that all mortality after 24 hours. combination 1.5% provided adequate protection reducing up 86%. Thus, can be recommended a viable alternative against which orchids.