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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 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2018: 95.39
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 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(9): 3795-3800
DOI: https://doi.org/10.20546/ijcmas.2018.709.469


Population Structure of Sclerotinia sclerotiorum (Lib.) de Bary Causing White Mold of Bean in Kashmir, India
Roaf Ahmad Rather1*, Masrat Ul Nisar1, Zakir Khursheed Raina1, Farooq Ahmad Ahanger1, Nazir Ahmad Bhat1, Farheen Chesti1 and Parvaiz Ahmad Sofi2
1Department of Plant Pathology FoA, SKUAST-K, Wadura Sopore – 193201, India 2Department of GPB, FoA, SKUAST-K, Wadura Sopore – 193201, India
*Corresponding author
Abstract:

The present investigation on population structure of Sclerotinia sclerotiorum (Lib.) de Bary casual organism of White mold disease of common bean (Phaseolus vulgaris L.) was carried by collecting diseased samples and sclerotia from different north Kashmir regions. A total of eighty pathogenic isolates of Sclerotinia sclerotiorum were maintained from four districts of North-Kashmir viz. Baramulla (36 isolates, B01-B36), Bandipora (08 isolates, N01-N08), Ganderbal (17 isolates, G01-G17) and Kupwara (19 isolates, K01-K19). These were subjected to mycelial compatibility testing and based on these tests a total of 22 Mycelial compatibility groups (MCGs) were formed. MCG-1 was the largest with 11 isolates followed by MCG-2 with 8 isolates and then by MCGs 3 and 4 each with 6 number of isolates. MCGs 5, 6, 7 and 8 consisted five isolates each while MCGs 9, 10, and 11 comprised three isolates each. MCGs 12, 13 were having three and 14, 15 two isolates each. MCGs 16, 17, 18, 19, 20, 21 and 22 were comprised of a single isolate each. Mostly, the isolates collected from adjacent localities were compatible. However, some MCGs also comprised distantly separated isolates. Therefore, the population of S. sclerotiorum is composed of many genotypes and while some MCGs are present in a particular area, many are distributed over larger areas.


Keywords: White mold, population structure, Sclerotinia sclerotiorum, mycelial compatibility group, Kashmir
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How to cite this article:

Roaf Ahmad Rather, Masrat Ul Nisar, Zakir Khursheed Raina, Farooq Ahmad Ahanger, Nazir Ahmad Bhat, Farheen Chesti and Parvaiz Ahmad Sofi. 2018. Population Structure of Sclerotinia sclerotiorum (Lib.) de Bary Causing White Mold of Bean in Kashmir, India.Int.J.Curr.Microbiol.App.Sci. 7(9): 3795-3800. doi: https://doi.org/10.20546/ijcmas.2018.709.469