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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(7): 1688-1693
DOI: https://doi.org/10.20546/ijcmas.2020.907.194


Survey and Symptomatology of Grapes Downy Mildew Pathogen (Plasmopara viticola)
P. Valarmathi1* and D. Ladhalakshmi2
1ICAR-Central Institute for Cotton Research (CICR), Coimbatore-641 003, India
2Department of Plant Pathology, ICAR-Indian Institute of Rice Research (IIRR),
Hyderabad-500 030, India
*Corresponding author
Abstract:

Survey was conducted during 2013-2014 (August 2013-February 2014) in the grapes growing areas of Tamil Nadu viz., Coimbatore, Dindigul and Theni districts to assess the disease incidence of downy mildew. Accordingly, the per cent incidence ranged between 30.74 and 78.17 in all the districts surveyed. Among the different districts surveyed, maximum incidence of downy mildew was recorded in Cumbum area of Theni (78.17 per cent) during inflorescence stage and the lowest incidence of 30.74 per cent was observed in the village Uthupatty of Dindugal district during fruiting stage. Among the area surveyed in Coimbatore district, Mathampatty recorded maximum incidence of 72.55 per cent at 35-45 days after pruning.


Keywords: Grapes, Plasmopara viticola, Symptomatology
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How to cite this article:

Valarmathi, P. and Ladhalakshmi, D. 2020. Survey and Symptomatology of Grapes Downy Mildew Pathogen (Plasmopara viticola).Int.J.Curr.Microbiol.App.Sci. 9(7): 1688-1693. doi: https://doi.org/10.20546/ijcmas.2020.907.194