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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 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
For more details click here

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Original Research Articles

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.2017.6(11): 3499-3520
DOI: https://doi.org/10.20546/ijcmas.2017.611.412


Morphological and Pathogenic Variability in Bipolaris sorokiniana Causing Spot Blotch in Wheat (Triticum aestivum, T. durum, T. dicoccum) in India
P.K. Chauhan1, D.P. Singh2* and S.S. Karwasra1
1Department of Plant Pathology, CCS HAU, Hisar-125001, Haryana, India
2ICAR- Indian Institute of Wheat and Barley Research, Karnal 132001, Haryana, India
*Corresponding author
Abstract:

Spot blotch in wheat (Bread wheat Triticum aestivum L.emend Fiori & Paol., durum wheat T. durum Derf, Khapli wheat T. dicoccum Schubl.) is mainly caused by Bipolaris sorokiniana Boerma (Sacc.) in India and neighbouring south Asian countries and capable of causing losses in yield up to 50 % in susceptible varieties as well as results poor grain quality. A total of 560 blighted leaf samples of wheat were collected from all over the India and cultures were broadly grouped in to 13 from BS 1-BS 13. The single spore cultures were later inoculated on seedlings of a differential set of genotypes, Sonalika, GW 322, HD 2733, PBW 34 and HPW 184 and incubated at 24+10C at 85-95% humidity inside polyhouse for two weeks. The host pathogen interaction was measured by taking record on incubation period, infection response (IR), number of lesions on flag-2 leaf, necrotic area developed and terminal disease severity. The differences were observed at pathogenic level also amongst isolates. Most virulent isolate was BS 4 from Faizabad in North -eastern plains zone, which produced susceptible type of infection response even on resistant genotype. It is thus concluded that 13 different types of isolates exists in case of B. sorokiniana in India.


Keywords: Morphological, Pathogenic, variability, Bipolaris sorokiniana, Spot blotch, Wheat, Triticum aestivum, T. durum, T. dicoccum, India.
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How to cite this article:

Chauhan, P.K., D.P. Singh and Karwasra, S.S. 2017. Morphological and Pathogenic Variability in Bipolaris sorokiniana Causing Spot Blotch in Wheat (Triticum aestivum, T. durum, T. dicoccum) in India.Int.J.Curr.Microbiol.App.Sci. 6(11): 3499-3520. doi: https://doi.org/10.20546/ijcmas.2017.611.412