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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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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 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(10): 2365-2368
DOI: https://doi.org/10.20546/ijcmas.2019.810.273


Screening of Different Bt and Non Bt Cotton Hybrids against Aphids Aphis gossypii, and Whiteflies Bemisia tabaci on Bt Cotton
J.B. Naveena* and Sharanabasappa
Department of Entomology, College of Agriculture, Shivamogga, India
*Corresponding author
Abstract:

The field experiment was carried out at Agricultural and Horticultural Research Station, Honnavile farm Shivamogga during Kharif 2016-17. Totally 15 Bt cotton hybrids and their counter non Bt cotton hybrids were screened against sucking pests of cotton like aphids and whiteflies under unprotected conditions. Lowest population of aphids were recorded in DCH-32 (13.04 aphids/ 3 leaves) followed by Ankur HB-2110 non Bt, MRC-7351 non Bt, SP904BG-II chamundi BG-II and chamundi BG-II non Bt, Minerva BG-I non Bt, MRC-7351, Minerva BG-I MRC-7918 non Bt and Ankur HB-2110 the highest population of aphids were recorded in double Bt (19.08 aphids/ 3 leaves) and MRC-7918 (18.54 aphids/ 3 leaves). However lowest population of whiteflies were recorded in DCH-32 (0.96 whiteflies/ 3 leaves) while the highest population of whiteflies were recorded in double Bt non Bt (4.54 whiteflies/ 3 leaves).


Keywords: Bt cotton, Aphids, Whiteflies, DCH-32
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How to cite this article:

Naveena, J.B. and Sharanabasappa. 2019. Screening of Different Bt and Non Bt Cotton Hybrids against Aphids Aphis gossypii, and Whiteflies Bemisia tabaci on Bt Cotton.Int.J.Curr.Microbiol.App.Sci. 8(10): 2365-2368. doi: https://doi.org/10.20546/ijcmas.2019.810.273