Survival and Development of American Bollworm on Bt Cotton Hybrids of Different Bt Events
December 4, 2013| |
Laboratory studies were conducted to assess efficacy of Bt hybrids of different cotton events against American bollworm (Helicoverpa armigera). Results showed that the mortality American bollworm in early instar stage fed with Bt event hybrids was higher than the larvae in later stages. When the larvae in later instar stages were exposed to Bt event hybrids, adversed effects on the growth and development of the larvae were observed. This include reduced weights, prolonged development period, reduced pupation, and formation of small pupae.
Read more results at Indian Journal of Plant Protection: http://www.indianjournals.com/ijor.aspx?target=ijor:ijpp1&volume=41&issue=1&article=004.
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