Author(s):

Saindane YS, Patil CS and Deore BV

Abstract: Studies on the dissipation pattern of quinalphos and ethion in/on brinjal fruits and soil were undertaken by following two foliar applications at recommended and double the recommended doses quinalphos and ethion (250 and 500 g a.i./ha) at fruiting stage. Residues of quinalphos and ethion dissipated with half-life of 2.05, 2.18 and 2.12, 3.21 days, at both the doses respectively. The residues reached below quantification limit (BDL) on 7^th day in quinalphos and ethion at the recommended dose. Considering this, Pre-harvest interval (PHI) of seven days can be suggested for quinalphos and ethion with reduced risk of insecticide residues in brinjal.

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