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Influence of weather factors on the incidence of major pests and its predators of cotton

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Field experiments was conducted during kharif season 2014-2015 to study the influence of meteorological factors on the incidence of major pests of cotton. Incidence of aphids was initiated in 32nd MW (35.0/ leaf) and aphid population was lowest in 42nd and 43rd MW (0.2/ leaf). It has attained its initial peak during 32nd MW (35.0/ leaf) which was favored by min. temp. of 31.99oC and max. temp. of 33.59oC with morning 95.86 % and evening 78.86 % humidity along with 10.0 mm rainfall. Incidence of leaf hoppers was initiated in 34th Mw (0.2/ leaf) and thereafter continued up to 42ndmw with disappearance in 43rdand 44th MW. It reached its peak during 36th MW (0.9/ leaf) which was favored by min. temp. of 31.87oC and max. temp. of 33.27 oC with morning 96.71 % and evening 87.43 % humidity along with 60.60 mm rainfall. | Influence of weather factors on the incidence of major pests and its predators of cotton

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Influence of weather factors on the incidence of major pests and its predators of cotton

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