International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 9, Issue:11, November, 2020

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.2020.9(11): 1458-1468

Cross Inoculation and Host Range Studies of Rhizoctonia solani Kuhn Infecting Small Millets
Varala Krishnaveni*, Savita Ekka, H. C. Lal and N. Kudada
Department of Plant Pathology, Ranchi Agriculture College, BAU, Ranchi, Jharkhand, India
*Corresponding author

Rhizoctonia solani Kuhn (Teleomorph: Thanatephorus cucumeris) is a soil borne, polyphagous, necrotrophic plant pathogenic fungus with a wide host range. It is causing sheath blight disease on a wide range of Graminae plant hosts and causes considerable losses in yield. It incites banded sheath blight disease in small millets, with its characteristic copper brown band symptoms. Fifty three isolates of Rhizoctonia solani were obtained from four different small millets showing typical symptoms of the disease. Pathogenicity of all the isolates proved by agar and sheath inoculum method. Cross inoculation studies revealed that most of the isolates of R. solani were cross infective with each other and all the proso millet isolates were highly pathogenic on foxtail millet. Host range studies unveiled that majority of the isolates successfully infect rice, sorghum, soybean, bajra except groundnut but their virulences on different crops were quite different. It was observed that slow growing isolates of foxtail millet, finger millet and little millet were more aggressive than medium and fast growing isolates.

Keywords: Banded sheath blight, Rhizoctonia solani, Pathogenicity, Host range, Cross inoculation

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How to cite this article:

Varala Krishnaveni, Savita Ekka, H. C. Lal and Kudada, N. 2020. Cross Inoculation and Host Range Studies of Rhizoctonia solani Kuhn Infecting Small Millets.Int.J.Curr.Microbiol.App.Sci. 9(11): 1458-1468. doi:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.