'' '' Occurrence, Pathogenicity and Assessment of Groundnut Genotypes Resistance to Aspergillus niger Inciting Collar Rot Disease
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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                      Volume : 9, Issue:11, November, 2020

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(11): 874-886
DOI: https://doi.org/10.20546/ijcmas.2020.911.105


Occurrence, Pathogenicity and Assessment of Groundnut Genotypes Resistance to Aspergillus niger Inciting Collar Rot Disease
C. Vimal Kumar1*, M. Saifulla2, Madem Gurivi Reddy1, R. Naveenkumar3 and S. R. Prabhukarthikeyan3
1Division of Plant Pathology, Indian Agricultural Research Institute, Pusa Campus, New Delhi, India
2Department of Plant Pathology, GKVK, Bangalore, Karnataka, India
3Crop Protection Division, ICAR-National Rice Research Institute, Cuttack, India
*Corresponding author
Abstract:

A survey was conducted for collar rot disease incidence in southern Karnataka showed that Tumkur district recorded highest collar rot disease incidence of 14 percent followed by Chamarajanagar (8.50%) whereas Kolar recorded least disease incidence of 3.3 percent in Kharif. During summer 3.3 percent disease incidence was observed in Davangere district. Collar rot of groundnut pathogen was isolated by following standard tissue isolation method and the culture was identified through morphological and cultural characters. Pathogenicity was proved by blotter paper technique and sick pot method and the culture was compared with original culture. Among sixty four genotypes screened for collar rot, five genotypes viz., ICG 1994, ICG 2734, ICG 4749, ICG 13856 and ICG 7190 showed moderately resistant reactions. K-6 recorded least percent disease incidence (1.0 %) with highest pod yield of 10.5 q/ha compared to control TMV 2 with more disease incidence (2.30 %) and less pod yield of (7.7 q/ha).


Keywords: Groundnut Genotypes, Aspergillus niger
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How to cite this article:

Vimal Kumar, C., M. Saifulla, Madem Gurivi Reddy, R. Naveenkumar and Prabhukarthikeyan, S. R. 2020. Occurrence, Pathogenicity and Assessment of Groundnut Genotypes Resistance to Aspergillus niger Inciting Collar Rot Disease.Int.J.Curr.Microbiol.App.Sci. 9(11): 874-886. doi: https://doi.org/10.20546/ijcmas.2020.911.105
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.