Bioefficacy of botanical and chemical insecticides against brown planthopper, Nilaparvata lugens (Stal) (Hemiptera: Delphacidae), in paddy crop
The present study was conducted to evaluate the bioefficacy of botanical and chemical insecticides against brown planthopper, Nilaparvata lugens (Stal), in paddy. The experiment was conducted using the following treatments Azadirachtin 5 % (60, 70 and 80 mL), BrahamAstra (7.5, 10.0 and 12.5 L), homemade neem (2.0, 3.0...