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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 (2017)
[Effective from January 1, 2017]
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
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(11): 1599-1614
DOI: https://doi.org/10.20546/ijcmas.2018.711.182


Assessment of Groundnut (Arachis hypogaea L.) Mini Core for Resistance to Multiple Biotic Stresses under Hot Spot Location
A. Mohammad Saleem, K. Gopalakrishna Naidu*, H.L. Nadaf and P.S. Tippannavar
AICRP on Groundnut, Main Agriculture Research Station, University of Agricultural Sciences, Dharwad – 580 005, Karnataka, India
*Corresponding author
Abstract:

Groundnut is one of the important oilseed crops of India. Several biotic stresses affect in achieving the real potential yields. Cultivation of biotic stress resistant cultivars is an ecologically and economically sound approach. The occurrence of different biotic stresses varies with location and season thus limiting the wide adoption of varieties resistant to one or the other biotic stresses. This necessitates the importance of evolving multiple biotic stress resistant genotypes. In the present study, a set of 184 mini core genotypes along with 12checks were assessed for major foliar diseases late leaf spot and rust and a major defoliator, Spodoptera litura in hot spot location. In mini core, hypogaea botanical group had higher frequency of resistant genotypes to Spodoptera litura (31 %), late leaf spot (33 %) and rust (8 %) when compared to other botanical groups. Among the Spodoptera litura resistant genotypes, eight genotypes viz., ICG 862, ICG 928, ICG 76, ICG 2777, ICG 5016, ICG 12276, ICG 4412 and ICG 9905 had significantly higher pod yield per plant (> 23.2 g) compared to check JL 24 (18.1 g). Among the 184 genotypes of mini core, five genotypes viz., ICG 2381, ICG 11426, ICG 12625, ICG 12370 and ICG 875 were resistant to late leaf spot (field disease score < 4). ICG 2381 had resistance to late leaf spot, rust and Spodoptera litura but had low pod yield per plant and hence can serve as potential multiple stress resistant donor genotype in breeding programmes.


Keywords: Groundnut, Mini core, Spodoptera litura, Late leaf spot, Rust
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How to cite this article:

Mohammad Saleem, A., K. Gopalakrishna Naidu, H.L. Nadaf and Tippannavar, P.S. 2018. Assessment of Groundnut (Arachis hypogaea L.) Mini Core for Resistance to Multiple Biotic Stresses under Hot Spot Location.Int.J.Curr.Microbiol.App.Sci. 7(11): 1599-1614. doi: https://doi.org/10.20546/ijcmas.2018.711.182