Effect of Varieties/Hybrids of Cotton on the Parasitization Efficiency of Trichogramma chilonis Ishii
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DOI:
https://doi.org/10.18311/jbc/2004/4062Keywords:
Bollworms Complex, Cotton, Hybrids, Parasitization, Tricllogramma chilonis, Varieties.Abstract
Six cultivars, namely, LD 327, LH 1556, Ganga Kaveri-151, Ankur 651, Dbaval-2 and LHH 144 were e,'aluated for testing efficacy of Trichogramma chilonis Ishii. T. chilonis was released 13 times during July to September at weekly interval @ 1,50,000 per ha. Four sprays of compatible insecticides were given during this period. The lowest bollworm incidence among intact fruiting bodies was recorded in LD327 (1.40%) which was on par with Ankur 651 (2.06%) and LHH144 (2.10%) but significantly lower than other cultivars. There was no significant difference in mean bollworm incidence among green bolls, parasitization, and seed cotton yield in various cultivars.Downloads
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Published
2010-01-01
How to Cite
Virk, J. S., Brar, K. S., & Sohi, A. S. (2010). Effect of Varieties/Hybrids of Cotton on the Parasitization Efficiency of <I>Trichogramma chilonis</I> Ishii. Journal of Biological Control, 18(1), 73–76. https://doi.org/10.18311/jbc/2004/4062
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