International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 6, Issue:9, September, 2017

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(9): 1362-1367

Survey and Status of Different Diseases of Cotton under South Gujarat Region, India
Prashant B. Sandipan, G.R. Bhanderi, R.D. Patel and B.G. Solanki
Main Cotton Research Station (MCRS), Navsari Agricultural University (NAU), Surat 395 007 Gujarat, India
*Corresponding author

In this experiment, different districts of South Gujarat were closely examined for various diseases in different cultivars. A roving survey was conducted on cultivars’ field during the crop season and a fix point survey on cotton was conducted periodically at Research farm. On Research farm, periodical observations were recorded on G. Cot. Hy. 12 which revealed that bacterial blight appeared during the 2nd week of July (2.0 %) and then gradually developed and reached at its peak (23.5 % PDI) during the 3rd week of September and then declined, but prevailed up to 1st week of December. Observations were also recorded on other cultivars. The susceptible cultivars viz., LRA 5166 showed bacterial blight intensity to the tune of 2.5 to 23.0 per cent PDI moreover, non Bt cotton was more susceptible to the bacterial blight disease. During 30 - 45 DAS (vegetative stage of the crop), the BLB was more pronounced on lower leaves. Roving survey was conducted in Surat, Bharuch and Narmada districts on farmers’ field. The BLB incidence was found in the range of 0.0 to 5.5 %, 0.0 to 3.0 % and 0.0 to 24.0 % PDI in Surat, Bharuch and Narmada districts, respectively on fields, majority of them were growing approved BG II hybrids. Moreover, Alternaria leaf spot was observed in the range of 0.0 to 13.5 % in Nandod taluka of Narmada district (Kuta Amba village). Whereas, in other two districts viz., Surat and Bharuch, it was in the tune of 0.0 to 2.0 % and 0.0 % PDI, respectively.

Keywords: Cotton, Survey, Intensity, Pest, Disease.

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How to cite this article:

Prashant B. Sandipan, G.R. Bhanderi, R.D. Patel and Solanki, B.G. 2017. Survey and Status of Different Diseases of Cotton under South Gujarat Region, India.Int.J.Curr.Microbiol.App.Sci. 6(9): 1362-1367. doi:
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