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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(10): 1780-1784
DOI: https://doi.org/10.20546/ijcmas.2020.910.216


Roving Survey for the Incidence of Leaf Crinkle Disease of Urdbean in Major Urdbean Growing Districts of Tamil Nadu, India
Priyanga1*, T. K. S. Latha1, T. Ramya Teja1, K. Prabakar1,Balasubramani2, M. Raveendran2 and G. Karthikeyan1
1Department of Plant Pathology, 2Department of Plant Biotechnology, Tamil Nadu Agricultural University, Coimbatore, India
*Corresponding author
Abstract:

Urdbean (Vigna mungo (L.) Hepper) is an important pulse crop grown in all pulse growing districts of Tamil Nadu. The productivity of urdbean is very low mainly due to yield losses caused by various viral diseases. Urdbean Leaf Crinkle Disease (ULCD) is one of the important viral diseases that affect both the quality and quantity of the seed. An intensive roving survey was conducted during cropping seasons of 2018-2019 in major blackgram growing districts of Tamil Nadu viz., Coimbatore, Villupuram, Cuddalore, Tenkasi, Tirunelveli and Pudukottai to determine disease incidence and insect diversity. The farmers were cultivating blackgram varieties were CO-6, VBN-4, VBN-5, VBN-6, VBN-8, KKM-1, MDU-5 and T-9. All the cultivars were found to be susceptible to ULCD ranging from 11.80 to 33.50%. Higher level of disease incidence (33.50%) was observed in T-9 variety in Pudukottai district followed by VBN-8 variety (30.66%) in Coimbatore district. The lowest level of disease incidence was recorded in VBN-5 (11.80%) and CO-6 (12.8%) in Tenkasi and Coimbatore district respectively. The most prevalence insects visiting the urdbean field were Whitefly, Aphid, Hoppers and Coccinelid beetles.


Keywords: Urdbean, Leaf crinkle, Roving survey, Tamil Nadu, Percent disease incidence (PDI), Insect diversity
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How to cite this article:

Priyanga, T., T. K. S. Latha, T. Ramya Teja, K. Prabakar, V. Balasubramani, M. Raveendran and Karthikeyan, G. 2020. Roving Survey for the Incidence of Leaf Crinkle Disease of Urdbean in Major Urdbean Growing Districts of Tamil Nadu, India.Int.J.Curr.Microbiol.App.Sci. 9(10): 1780-1784. doi: https://doi.org/10.20546/ijcmas.2020.910.216