Indian Society of Genetics & Plant Breeding

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Development and evaluation of full sib progenies of Indian mustard (Brassica juncea L.) for moisture stress conditions

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Indian mustard (Brassica juncea L.) popularly known
as mustard or Raya or Laha is an important rabi oilseed
crop of India where it is grown on an area of
approximately 6.5 mha, of which about 2.0 mha is
rainfed. Because of its suitability to marginal and rainfed
areas, Brassica improvement programmes were
initiated long back to improve its grain yield potential
under these conditions. However, genetic improvement
is mainly based on pedigree, bulk and backcross
methods. These conventional breeding procedures
suffer from narrow genetic base and limited genetic
recombination [1]. Application of population
improvement procedures such as development and
utilization of full sib progenies for such crops broaden
genetic base, increase genetic advance through
accumulation of desirable alleles and expose the hidden
variability through breaking of linkages [2, 3]. Further,
outcrossing in this crop has been reported to vary
between 10-15% [4]. This extent of outcrossing indicates
that a certain level of heterozygosity is prevailing
naturally which can be exploited through full sib progeny
selection. With this background, the present
investigation was planned to increase the yield potential
of Indian mustard under moisture stress conditions
through full sib progeny development and utilization in
breeding programme.
 

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Year: 2011
Volume: 71
Issue: 1
Article DOI: N/A
Print ISSN: 0019-5200
Online ISSN: 0975-6906

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