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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 (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.2017.6(9): 3768-3776
DOI: https://doi.org/10.20546/ijcmas.2017.609.465


Global Positioning System Based Spatial Distribution of Yellow Mosaic Disease of Greengram in North Eastern Karnataka, India
H. Deepa1*, M. R. Govindappa1, S. A. Kulkarni2, M. Kenganal1 and S. A. Biradar3
1Department of Plant Pathology, College of Agriculture, Raichur, Karnataka, India 2Agricultutral Research Station, Bidar, Karnataka, India 3All India Co-ordinated Research Project on Linseed, Main Agricultutral Research Station, University of Agricultutral Sciences, Raichur, Karnataka, India
*Corresponding author
Abstract:

Global positioning system survey map is an indicator to locate the nature of disease spread so as to conclude the hotspot areas. Yellow mosaic disease on greengram caused by begomovirus genus of the family geminiviridae. Present investigations on field survey for disease incidence, diagnostic symptoms and its spatial distribution in major greengram growing parts of North Eastern Karnataka through Global positioning system (GPS) system during kharif 2015, revealed that the disease was found to occur at all the stages of under field condition and cause 100 per cent yield loss when it infects at seedling stage. Global positioning system based survey indicated that the per cent disease incidence varied from location to location (spatial variation). The highest average incidence was recorded in Koppal (76.70%) followed by Bidar (70.48%), Yadgir (66.70%), Kalburgi (54.15%) and Raichur (51.49%) districts. In Koppal district, Yelburga taluk has shown the highest (78.40%) disease incidence followed by Kustagi (75.00%). While, in Bidar and Yadgir districts, Humanabad and Yadgir taluks have recorded maximum incidence of 70.16 per cent and 64.80 per cent, respectively. The crop infected at early stages suffered more severe symptoms with almost all the leaves exhibiting yellow mosaic, complete yellowing and puckering with severe stunting of plants. Invariably, whiteflies were found feeding in most of the fields surveyed.


Keywords: MYMV, GPS, Spatial variation, begomovirus
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How to cite this article:

Deepa H., M. R. Govindappa, S. A. Kulkarni, M. Kenganal and Biradar S. A. 2017. Global Positioning System Based Spatial Distribution of Yellow Mosaic Disease of Greengram in North Eastern Karnataka, India.Int.J.Curr.Microbiol.App.Sci. 6(9): 3768-3776. doi: https://doi.org/10.20546/ijcmas.2017.609.465