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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 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
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 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(8): 3950-3955
DOI: https://doi.org/10.20546/ijcmas.2018.708.407


Host Range and Cross Infectivity of the Genus Magnaporthe grisea
S. Shanmugapackiam1* and T. Raguchander2
1Department of Plant Pathology, ICAR – Krishi Vigyan Kendra, Vamban, Pudukkottai – 622 303, Tamil Nadu, India
2Department of Plant Pathology, Tamil Nadu Agricultural University, Coimbatore – 641 003, Tamil Nadu, India
*Corresponding author
Abstract:

Blast (Magnaporthe grisea) is an economically important disease of finger millet in India. The cross infectivity of M. grisea isolates of leaf, neck and finger blast from finger millet can infect weed host viz., Pennisetum cenchroides, Pennisetum pureum and Cynodon dactylon but not the rice, foxtail millet and little millet. The vice versa pattern of cross infection were observed between the leaf, neck and finger blast pathogens. This shows that the weed management is more important in finger millet fields to manage the blast disease and growing of finger millet adjacent to weed host is dangerous for blast epidemics in finger millet since weed host viz., P. cenchroides, P. pureum and C. dactylon serves as the source of inoculums.


Keywords: Blast, Finger millet, Minor millet, Rice, Weeds
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How to cite this article:

Shanmugapackiam, S. and Raguchander, T. 2018. Host Range and Cross Infectivity of the Genus Magnaporthe grisea.Int.J.Curr.Microbiol.App.Sci. 7(8): 3950-3955. doi: https://doi.org/10.20546/ijcmas.2018.708.407