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Journal of Entomology and Zoology Studies
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ISSN Print: 2349-6800 | ISSN Online: 2320-7078

Journal of Entomology and Zoology Studies

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2019, Vol. 7, Issue 4
Pest diversionary approaches for cotton leafhopper, Amrasca biguttula biguttula (Ishida)

P Anandhi, C Gailce Leo Justin and Elamathi S

The data on cotton leafhopper population obtained at various dates of observation were correlated with weather factors. Leafhopper population showed significant negative correlation with maximum temperature and positive with relative humidity and rainfall. Influence of bhendi as trap crop and neem on the incidence of cotton leafhopper showed highest leafhopper reduction was noticed in neem seed kernel extract 5% sprayed cotton and more preference ratio was recorded in bhendi. Among the novel insecticides tested, the most effective insecticide was clothianidin 0.10 g/ l and dinotefuran 20 SG 0.30 g/l. The above two Neonicotinoids were also found safer to the natural enemies. IPM module viz., growing of leafhopper resistant variety (KC 3), bhendi as trap crop (5:1), intercropping with black gram (2:1), seed treatment with imidacloprid 70 WS (7 g/ kg seed), spraying of neem oil formulation 0.5% (18 DAS), release of Chrysoperla @ 10,000/ ha (20 DAS) and need based application of safer insecticide clothianidin @ 0.10 g/ l or dinotefuran 20 SG @ 0.30 g/l proved more effective and economical against cotton leafhopper.
Pages : 72-77 | 110 Views | 18 Downloads
How to cite this article:
P Anandhi, C Gailce Leo Justin and Elamathi S. Pest diversionary approaches for cotton leafhopper, Amrasca biguttula biguttula (Ishida). Journal of Entomology and Zoology Studies. 2019; 7(4): 72-77.
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