Effect of neem derivatives (Azacdirachta indica) on the mango mealybug (Rastrococcus invadens) for biological control

Pest insects are a major constraint on fruit production in Senegal. In order to find an alternative the chemical control of these pests, insecticidal effect neem derivatives (Azadirachta indica) formulated at different doses mango mealybug (Rastrococcus invadens) was studied. The powders obtained from parts were mixed with distilled water proportions, namely for 100ml 0g (control), 1g, 2g, 4g, 8g, 16g, 32g, 64g and 124g. whole, consisting neem, homogenized. For each treatment, 5 repetitions made over days. results show that significantly reduced populations tree. also showed is very effective insecticide against pests. This effectiveness all more important almond (100% mortality dose 32g per 100ml) compared other derivatives.