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Research Articles

Adaptability of dolichos bean (Lablab purpureus (L.) Sweet) recombinant inbred lines across locations representing eastern and southern dry zones of Karnataka

Authors:

Pranesh S. Ramesh ,

Gandhi Krishi Vignana Kendra University of Agricultural Sciences, Bengaluru, IN
About Pranesh S.
Department of Genetics and Plant Breeding, College of Agriculture
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N. Marappa,

Gandhi Krishi Vignana Kendra University of Agricultural Sciences, Bengaluru, IN
About N.
Department of Genetics and Plant Breeding, College of Agriculture
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P. Mahadevu,

Zonal Agricultural Research Station (ZARS), VC Farm, Mandya, UAS, Bengaluru, IN
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M. S. P. Kanavi

College of Agriculture, Hassan, UAS, Bengaluru, IN
About M. S. P.
Department of Genetics and Plant Breeding
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Abstract

Genotype and environment interaction offers opportunities for selection of genotypes exhibiting favorable responses to only a few locations or of genotypes with low frequency of poor yield across years in a given location. Ten promising recombinant inbred lines (RILs) were evaluated for dry seed yield/plant at four locations representing eastern and southern dry zones of Karnataka, India during 2017 rainy season to detect and characterize RIL and location interaction and to identify those with location specific and/or wide adaptation. Additive main Effect and Multiplication Interaction (AMMI) model and genotype by- environment interaction (GGE) biplot were used for objective and graphical (visual) assessment of patterns of adaptability of the selected RILs. Recombinant inbred lines 77 and 12 were the best performers at Bengaluru and Hassan, respectively and RIL 80 and RIL 111 were the best performers at Chintamani and Mandya regions respectively. Based on both graphical and objective assessments, RIL 52 and RIL 96 were found to be better adapted across all the test locations with relatively high dry seed yield/plant.
How to Cite: Ramesh, P.S., Marappa, N., Mahadevu, P. and Kanavi, M.S.P., 2019. Adaptability of dolichos bean (Lablab purpureus (L.) Sweet) recombinant inbred lines across locations representing eastern and southern dry zones of Karnataka. Tropical Agricultural Research, 30(2), pp.75–81. DOI: http://doi.org/10.4038/tar.v30i2.8311
Published on 30 Jan 2019.
Peer Reviewed

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