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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.2019.8(12): 652-658
DOI: https://doi.org/10.20546/ijcmas.2019.812.085


Morphological, Cultural and Sclerotial Variability among Isolates of Rhizoctonia solani Causal Agent of Web Blight of Soybean
Lekhashree*, Pankaj Kumar Singh and R. K. Dantre
Department of Plant Pathology, College of Agriculture, IGKV, Raipur (C.G), India
*Corresponding author
Abstract:

In the present study morphological, cultural and sclerotial variability was observed among 17 isolates collected from five districts of Chhattisgarh. Lowest hyphal width was observed to be that of RS 10(2.16 μm) and highest hyphal width was observed to be that of RS 14(4.38 μm) the least angle of branching was observed to be that of RS 12(77.45˚) and the highest angle of branching was observed to be that of RS 5(95.743˚). Significant variation in distance between septa was also observed among the isolates (36.34 to 11.33 μm). Based on the observation of colony colour the different isolates were assigned into three different groups i.e. pale white, light brown and ivory. The different isolates were assigned into four different groups i.e. sparse, sparse fluffy, cottony and cottony fluffy based on texture of the colony. The number of sclerotia formed ranged from zero to 112. The different isolates were classified into 4 groups on the basis of sclerotial pattern i.e. peripheral, centre, scattered and ring in the middle. The isolates were classified into smooth, rough, smooth pitted and rough pitted on the basis of sclerotia texture.


Keywords: Rhizoctonia solani, Web blight of soybean, Isolates, Morphological, Cultural, Sclerotial, Variability
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How to cite this article:

Lekhashree, Pankaj Kumar Singh and Dantre, R. K. 2019. Morphological, Cultural and Sclerotial Variability among Isolates of Rhizoctonia solani Causal Agent of Web Blight of Soybean.Int.J.Curr.Microbiol.App.Sci. 8(12): 652-658. doi: https://doi.org/10.20546/ijcmas.2019.812.085