SAFETY OF NEWER INSECTICIDES AND BIORATIONALS TO MULBERRY SILKWORM

摘要

The results revealed that safety periods were different for different newer insecticides and biorationals viz.,Lecanicillium lecanii@ 2 g/l were safe for feeding mulberry silkworm from a day after spray. While, fish oil rosin soap @ 2 ml/l and vermiwash @ 5 per cent were safe for silkworms feeding from fifth and sixth day after spraying. Fipronil was safe from eleven days after spray. Buprofezin was safe for silkworm from 23 days onwards. Profenophos and acetamiprid and spinosad were safe from 49 and50 days after spraying respectively.