Development of a laboratory technique for screening of cotton varieties for resistance to the cotton jassid (Amrasca Biguttula Biguttula (Ishida)

JASWANT Singh

Development of a laboratory technique for screening of cotton varieties for resistance to the cotton jassid (Amrasca Biguttula Biguttula (Ishida) - COA - Ludhiana PAU 1974 - 46+16L

The nymphal duration was maximum on 231-R variety of desi cotton at all the three stages of growth The survival of nymphs was almost similar on the four varieties in the cotyledonary and one-week 01(: stages but it was the least on the two-week old plants


COTTON -- DISEASES & PESTS

COTTON COTTON -- DISEASES & PESTS ENTOMOLOGY JASSID LEAF - HOPPERS RESISTANCE TECHNIQUE

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