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International Journal of Applied Agricultural & Horticultural Sciences
  • 29 April, 2024
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Language : English
DOI Prefix : 10.37322
P-ISSN : 0974-0775
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  • 1. Papers are invited for the forthcoming issues of Green Farming. Few Mini Review articles on applied aspects of new approaches (with Sr. Authors) may be adjusted, if sent on priority by email. For more details, please contact us.
Vol. 4 (4) : July-August 2013 issue
Green Farming Vol. 4 (4) : 400-404 (July-August, 2013)
Effect of taxonomic lineage on the performance of RIL populations in groundnut (Arachis hypogaea L.)
T.P. MUHAMMED AZHARUDHEEN1* and M.V.C. GOWDA2
Department of Genetics and Plant Breeding, University of Agricultural Sciences, Dharwad- 580 005 (Karnataka)
Designation :  
1Ph.D. Scholar *(tpazhar@gmail.com), 2Project Co-ordinator
Subject : Crop Genetics and Plant Breeding
Paper No. :
Total Pages : 5
Received : 20 February 2013
Revised accepted : 26 June 2013
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Citation :

T.P. MUHAMMED AZHARUDHEEN and M.V.C. GOWDA. 2013. Effect of taxonomic lineage on the performance of RIL populations in groundnut (Arachis hypogaea L.). Green Farming Vol. 4 (4) : 400-404 ; July-August, 2013

ABSTRACT
Two F7derived recombinant inbred line (RIL) populations, having different taxonomic lineage were phenotyped for quality traits (protein content, oil content and fatty acid profile), disease resistance (rust and late leaf spot) and productivity traits (pod yield/plant, 100-seed weight and shelling %) in two seasons (summer and kharif 2009). In both the populations, the ANOVA indicated significant variation for all the productivity traits and diseases, but the variation was found to be less for quality traits. Phenotypic data analysis for genetic variability components revealed higher magnitude of variation with high heritability for diseases, moderate to high variability with high heritability for nutritional quality and higher magnitude of variation but lower heritable variation for productivity traits. Transgressive segregants in both the directions indicated contribution of favourable alleles from both the parents. A higher percentage of the superior segregants for rust and late leaf spot were observed in the cross involving a Virginia parent (TG 19). Whereas, the cross involving Spanish bunch parents (TG 49 x GPBD 4) revealed high percentage of superior segregants for quality and productivity traits except for oil content. Several RILs superior to best parent were identified in both the populations for different traits which could be utilized in future breeding programmes.
Key words :
Arachis hypogaea, Disease resistance, Genetic variability, Groundnut genotypes, O/L ratio, Productivity &
Quality traits, RIL populations, Taxonomic lineage.