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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 2019 - IJCMAS--ICV 2019: 96.39 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 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
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(12): 2205-2213
DOI: https://doi.org/10.20546/ijcmas.2020.912.260


Effect of Plant Age on the Bacterial Spot of Bottle Gourd and Pumpkin Caused by Xanthomonas cucurbitae
Arpana Sharma, Kumud Jarial* and R. S. Jarial
College of Horticulture and Forestry, Dr. Yashwant Singh Parmar University of Horticulture and Forestry, Neri, Hamirpur (HP), India
*Corresponding author
Abstract:

Bacterial leaf spot impelled by Xanthomonas cucurbitae (Ex. Bryan) Vauterin et al is the most important disease of cucurbits especially in bottle gourd and pumpkin. To study the effect of plant age on disease development, the seedlings of bottle gourd and pumpkin were inoculated with standard bacterial suspension (108 cfu/ml) through pin prick spray method after the plants attained the age of 10, 20, 30, 40, 50 and 60 days. The mean disease severity in both bottle gourd and pumpkin was found to reduce with increase in age of plant viz. 10 (59.62% and 65.33%, respectively), 20 (53.81% and 56.55%, respectively), 30 (48.57% and 51.42%, respectively), 40 (42.83% and 40.39%, respectively), 50 (39.16% and 36.28%, respectively) and 60 (33.98% and 33.78%, respectively) days old plants. The plants of bottle gourd and pumpkin at the age of 10, 20, and 30 days were more susceptible to infection as compared to the older plants (40, 50 and 60 days old) which exhibited the presence of adult plant resistance in both the crops against X. cucurbitae.


Keywords: Bacterial leaf spot, Cucurbits, Xanthomonas cucurbitae, Plant age, Bottle gourd and pumpkin, Adult plant resistance
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How to cite this article:

Arpana Sharma, Kumud Jarial and Jarial, R. S. 2020. Effect of Plant Age on the Bacterial Spot of Bottle Gourd and Pumpkin Caused by Xanthomonas cucurbitae.Int.J.Curr.Microbiol.App.Sci. 9(12): 2205-2213. doi: https://doi.org/10.20546/ijcmas.2020.912.260