Assessment of barley genotypes for malting quality: Genotype x environment interactions
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Kumar Vishnu, Ramesh Pal Singh Verma, Dinesh Kumar, Ajit Singh Kharub, Gyanendra Pratap Singh. (1/9/2018). Assessment of barley genotypes for malting quality: Genotype x environment interactions. The Indian journal of genetics & plant breeding: official publication of the Indian Society of Genetics & Plant Breeding, 78 (4), pp. 523-526.
Investigating and improving malting quality in barley is long-standing objective worldwide. Genotype by environment interactions (G x E) result inconsistent genotypic performance and obstruct realization of quality traits under varying environments. The present investigation delineated implications of G x E on malting quality parameters studied for 45 genotypes over three years. The combined analysis showed significant G x E interactions (P<0.01) for 1000 grain wt., malt friability and hot water extract (malt extract). The year source of variation highly affected malt extract (82.57 %) followed by malt friability (51.82 %). Average malt extract was observed higher (81.06 %) during the year 2013, which received higher precipitation. The significant G x E were further portrayed into GGE biplots and initial two principal components depicted higher variation of 93.07, 92.00 and 92.45 % for 1000 grain wt., malt friability and hot water extract, respectively. Grain protein content revealed negative correlations with malt extract (-0.60**) and malt friability (-0.53**). The exotic genotypes Sloop-VIC-VB9953, Henley and Xanadu exhibited marginal high malting quality but suffered with low grain yield and prolonged maturity.
Verma, Ramesh Pal Singhhttps://orcid.org/0000-0002-2621-2015
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