National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
The study was conducted to know the effect of dual toxin Bt cotton on Spodoptera litura larvae at regional agricultural research station, Lam, Guntur, A.P. during 2014-2015. The data revealed that survival rate of 3rd instar larvae was higher and recorded only 30 - 35 per cent mortality, whereas the influence of BG II hybrids on grown up 4th and 5th instar larvae was very minimal no mortality was recorded and BG I and non Bt hybrids had shown no mortality. The mean weight of larva fed on BG II cotton leaves was found to be very low, whereas BG I hybrids shows marginal influence and non Bt versions did not affect the larval or pupal weight and weight gains were more or less similar.
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