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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39 For more details click here
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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.2020.9(6): 1455-1466
DOI: https://doi.org/10.20546/ijcmas.2020.906.181


Cultural Variability within Different Isolates of Xanthomonas axonopodis pv. citri Collected from Various Species of Citrus in Different Areas of Subtropical Zone of Himachal Pradesh
Dinesh Kumar1*, Kumud Jarial2, R. S. Jarial1, Savita Jandaik2 and Arunesh Kumar2
1Department of Plant Pathology, College of Horticulture and Forestry, Neri, Hamirpur (H.P.) – 177001, India
2 Department of Plant Pathology, College of Horticulture, Dr. Yashwant Singh Parmar University of Horticulture and Forestry, Nauni, Solan (H.P.) – 173320, India
*Corresponding author
Abstract:

Citrus is the most important fruit crop of Himachal Pradesh and citrus canker caused by Xanthomonas axonopodis pv. Citri is major disease in all citrus growing areas in subtropical zone of Himachal Pradesh. To find out the amount of variability present in the bacterium, nine isolates collected from different species of citrus in subtropical areas were studied in vitro in relation to various cultural traits of the pathogen. It was found that all isolates exhibited considerable amount of variability in terms of all cultural parameters under study. Furthermore, Wakimoto growth medium was found to be the best for the growth of pathogen with pH 7.0 incubated at 25˚C temperature. All isolates were found to produce light yellow, yellow, pale and dark yellow circular colonies with varied elevations and colony diameter ranging between 1.00 to 6.00 mm on five different media under study.


Keywords: Citrus canker, Xanthomonas axonopodis pv. citri, Himachal Pradesh, Variability
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How to cite this article:

Dinesh Kumar, Kumud Jarial, R. S. Jarial, Savita Jandaik and Arunesh Kumar. 2020. Cultural Variability within Different Isolates of Xanthomonas axonopodis pv. citri Collected from Various Species of Citrus in Different Areas of Subtropical Zone of Himachal Pradesh.Int.J.Curr.Microbiol.App.Sci. 9(6): 1455-1466. doi: https://doi.org/10.20546/ijcmas.2020.906.181