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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 8, Issue:1, January, 2019

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.2019.8(1): 2860-2864
DOI: https://doi.org/10.20546/ijcmas.2019.801.300


Effect of Atmospheric Temperature, Relative Humidity and Rainfall on Disease Development of Alternaria alternata Causing Alternaria Leaf Spot and Fruit Rot of Chilli under Natural Conditions
Manjul Pandey1*, P.K. Dwivedi2, R.P. Mishra3 and Mukesh Srivastava3
1Krishi Vigyan Kendra, Banda, Banda University of Agriculture and Technology, Banda-210001(UP), India
2Krishi Vigyan Kendra, Raisen (MP), India
3Department of Plant Pathology, C. S. Azad University of Agriculture & Technology, Kanpur-208002, India
*Corresponding author
Abstract:

The data correlated regarding the effect of atmospheric temperature, relative humidity and rainfall on disease development during 2002-03 and 2003-04 revealed that, moderate relative humidity accompanied by nearly moderate temperature favoured disease development in both the years. The maximum disease development was recorded in the second fortnight of November during both the years. The average maximum and minimum temperatures and relative humidities were 29.7ºC, 13.6ºC and 87.5, 39.2 per cent, respectively during 2002-03, whereas during 2003-04 average maximum and minimum temperature were 34.0ºC and 15.4 ºC, respectively with average maximum and minimum relative humidities of 73.3 and 45.2 per cent, which led to maximum disease development. The rainfall in January led to rise in relative humidity and fall in atmospheric temperature hampered the disease development.


Keywords: Chilli (Capsicum annuum), Epidemiology, Alternaria alternata, Leaf spot, fruit rot

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How to cite this article:

Manjul Pandey, P.K. Dwivedi, R.P. Mishra and Mukesh Srivastava. 2019. Effect of Atmospheric Temperature, Relative Humidity and Rainfall on Disease Development of Alternaria alternata Causing Alternaria Leaf Spot and Fruit Rot of Chilli under Natural Conditions.Int.J.Curr.Microbiol.App.Sci. 8(1): 2860-2864. doi: https://doi.org/10.20546/ijcmas.2019.801.300
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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