Open AccessEnvironment Friendly Bio-technologies in Managing Chilli Thrips, Sirthothrips Dorasalis
Author(s) -
S. Pasupathy
Publication year - 2004
Publication title -
mapana journal of sciences
Language(s) - English
Resource type - Journals
ISSN - 0975-3303
DOI - 10.12723/mjs.4.4
Subject(s) - thrips , tamil , aphis gossypii , biology , yield (engineering) , toxicology , crop , horticulture , agroforestry , agronomy , homoptera , pest analysis , art , aphididae , literature , materials science , metallurgy
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).