Indian Society of Genetics & Plant Breeding

Analysis of genetic parameters and correlations for physiological and quality characters in Indian mustard [Brassica juncea (L.) Czern. & Coss.]

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The present investigation was carried out to assess
heritability, genetic advance and inter se associations of
physiological, oil and seed meal quality characters in diverse
accessions of Indian mustard. Significant mean sum of
squares indicated genotypic differences for all the
physiological and oil and seed meal quality characters
investigated except protein content. Estimates of
heritability and genetic advance were high for harvest index,
specific leaf weight and total dry matter at 50% flowering
suggesting the dominant role of additive gene action in
their inheritance.The phenotypic and genotypic correlations
of seed yield with biological yield/plant and harvest index
were positive and significant indicating the usefulness of
these characters in selection. Reduction in erucic acid would
also bring forth correlated increase in oleic, linoleic and
linolenic fatty acids owing to its negative associations with
all the fatty acids except eicosenoic acid.

Keywords: Genetic parameters, correlations, physiological and quality characters, Indian mustard, Brassica juncea L.

Info

Year: 2014
Volume: 74
Issue: 4
 Article DOI: 10.5958/0975-6906.2014.00880.3
Print ISSN: 0019-5200
Online ISSN: 0975-6906

Authors

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J. S. Chauhan info_circle
M. Singh info_circle

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