Environment Friendly Bio-technologies in Managing Chilli Thrips, Sirthothrips Dorasalis

Abstract

One Of the imprfant commercial spice-cum vegetable crop, Chilli (Copsicum
annuml i' cultivohd Over o substantial area in the southern districts Of Tamil
Nadu, Where insect pests are a serious problem. Among them the sucking pests,
namely, the Thrips, (Scirtothrips dorsalis), the aphids (Aphis gossypii gnd Myzus
persicoe) lotus) cause Over 50 per cent reduction
in yield. Earlier, more weightage had been given fo insecticides both contact and
sy*micto manage these pests (Raiasri etc'. , 991 Thakare etal., 992, Misra
1992., Jaganath, 1993. , Chendete and Desh-pande 1984, Jagan mohan et 01. ,
1980., Kareernet d, 1977.,Mote 1977 and Roo ond Ahamed, 1986).