Field Screening of cotton accessions for resistance to Cotton stem weevil Pempherulus affinis Faust

B. Ratna Kumari and S. Chandrasekaran

doi:https://doi.org/10.29321/MAJ.10.100573

Madras Agricultural Journal

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Field Screening of cotton accessions for resistance to Cotton stem weevil Pempherulus affinis Faust

Author: B. Ratna Kumari and S. Chandrasekaran,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 95, Issue: jan-jun,

DOI:https://doi.org/10.29321/MAJ.10.100573

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Abstract

Among the many varieties tried for resistance, Nadan in Asiatic cottons and Bourbon, Quebrandinho, Verdao and Moco in American Group were highly resistant. Unfortunately, all the five resistant varieties were perennial, late in habit and in addition the members of the American group were defective in boll dehiscence and susceptible to leaf hoppers. Therefore, a study was conducted to find out resistant varieties among 153 cotton accessions.

Keywords: insect resistance, cotton, Cotton stem weevil, pempherulus affinis faust

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