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International Journal of Applied Agricultural & Horticultural Sciences
  • 28 March, 2024
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DOI Prefix : 10.37322
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Vol. 7 (5) : September-October 2016 issue
Green Farming Vol. 7 (5) : 1013-1018 ; September-October, 2016
Stability analysis for seed cotton yield & its component traits in inter-specific hybrids of cotton (G. hirsutum × G. barbadense)
BALAKRISHNA B.1*, CHENGA REDDY V.2 and LAL AHAMED M.3
Department of Genetics and Plant Breeding, Agricultural College, Bapatla - 522 101 (Andhra Pradesh)
Designation :  
1Teaching Assoc. *(balubreeder@gmail.com), 2Principal Scientist, 3Asst. Professor
Subject : Crop Genetics and Plant Breeding
Paper No. : P-4420
Total Pages : 6
Received : 28 October 2015
Revised accepted : 04 August 2016
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Citation :

BALAKRISHNA B., CHENGA REDDY V. and LAL AHAMED M. 2016. Stability analysis for seed cotton yield & its component traits in inter-specific hybrids of cotton (G. hirsutum × G. barbadense). Green Farming Vol. 7 (5) : 1013-1018 ; September-October, 2016

ABSTRACT
The present study was conducted during kharif 2014-15 at three locations viz., Regional Agricultural Research Station (RARS), Lam Farm, Agricultural Research Station (ARS), JM Puram and Agricultural College Farm, Bapatla. The observations were recorded on 10 characters related to seed cotton yield and its components. The analysis of variance revealed that variance due to genotypes was significant for all the traits under study except for number of monopodia plant-1 and seed index. The variance due to environments was significant for all the characters indicating differences in selected environments. The genotype × environment (linear) interaction component exhibited significance for number of bolls plant-1 and seed cotton yield plant-1and non-significance for remaining all the characters. Out of 72 inter-specific cotton hybrids, none was found stable for all the characters studied. The hybrid ADB 542 × GSB 41 (bi=1.10) was considered to be stable for seed cotton yield plant-1 over locations as it recorded mean higher than grand mean with regression coefficient equal to one and non-significant deviation from regression.
Key words :
Eberhart and Russell model, Genotype × environment interaction, Inter-specific cotton hybrids.