Studies on compatibility of biorational insecticides with fungicides against tobacco caterpillar, Spodoptera litura Fabricius on tobacco
Keywords:insecticides, emamectin benzoate, insect growth regulators, tobacco caterpillar, compatibility, fungicides
AbstractStudies were conducted to assess the physical, chemical and biological compatibility of new insecticides with fungicidesÂ against tobacco caterpillar, Spodoptera litura Fabricius. Emamectin benzoate 5 SG @ 0.0025 % in combination with copperÂ oxy chloride 50 WP @ 0.2 % and azoxystrobin 23 SC @ 0.1 % recorded 100 and 96.43 % mortality within 48 hours afterÂ treatment. Spinosad 48 SC @ 0.012 % and its combination with test fungicides recorded less than 85 % mortality. InsectÂ growth regulators, lufenuron 5.4 EC @ 0.006 % and novaluron 10 EC @ 0.01 % in combination with various fungicides alsoÂ recorded reduced mortality. Hence, it is better to apply the insecticides and fungicides used in the study separately barringÂ the combinations of emamectin benzoate 5 SG @ 0.0025 % with copper oxy chloride 50 WP @ 0.2 % and azoxystrobin 23Â SC @ 0.1 % .
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