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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
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 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