Study on the Effect of Allylisothiocyanate Formulations on Three Lepidopterous Insect Larvae, the Diamond Back Moth, Plutella xylostella (L.), the Small Cabbage White Butterfly, Pieris rapae (L.) and Tobacco Cut Worm, Spodoptera litura Fabr | Science Publications

摘要

> Problem statement: The toxicity of seven of Allylisothiocyanate (AITC) formulations, AITC pure and in mixture with cypermethrin and chlorpyrifos, was evaluated using spray application and fumigation method against the diamondback moth, Plutella xylostella (L.), the small cabbage white butterfly, Pieris rapae (L.) and the tobacco cut worm, Spodoptera litura Fabr. Approach: Response varied according to insect species, specific formulation and AITC application rates. Results: Fumigant toxicity of the oil based on 9 h exposure was evaluated against the three insect larvae, the diamond back moth, P. xylostella larvae were more susceptible followed by tobacco cut worm, S. litura and cabbage white, P. rapae larvae. To P. xylostella larvae, LC₅₀ value was 1.5