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Stability analysis in Indian mustard (Brassica juncea) varieties

Indian Agricultural Research Journals

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Title Stability analysis in Indian mustard (Brassica juncea) varieties
 
Creator YADAVA, D K
GIRI, S C
VASUDEV, SUJATA
YADAV, ANIL KUMAR
DASS, B
RAJE, R S
VIGNESH, M
SINGH, RAJENDRA
MOHAPATRA, T
PRABHU, K V
 
Subject Brassica juncea; G × E interaction; Selection; Stability; Varieties; Yield
 
Description A study was conducted during winter season (rabi) 2006–07 and 2007–08 under irrigated and rainfed environments to test the stability of improved and high-yielding varieties of Indian mustard (Brassica juncea L. Czerns & coss.). Analysis of variance on 14 characters was carried out individually as well as pooled over the years and locations. Irrigated environment was relatively better for the expression of wider range and higher mean for all characters except 1000-seed weight. Genotype × environment interaction was significant for days to maturity, plant height, point to first branch, primary branches/plant, secondary branches/plant, point to first siliqua and 1000-seed weight along with seed yield/plant. G × E (linear) was also significant for all these 8 traits and days to 50% flowering, indicating substantial amount of predictable G × E interaction. All 30 genotypes were tested for 3 stability parameters, viz mean, bi and Š2 di. Out of all the genotypes, the genotypes ‘RGN 13’, ‘NRCDR 02’, ‘Vasundhra’ and ‘Pusa Jagannath’ were identified to be high yielding and stable. ‘Laxmi’ and ‘CS 54’ were having superior performance for seed yield/plant but were found to be suitable for cultivation under rainfed (poor) environments. ‘Pusa Jaikisan’ was superior to the population mean for seed yield/plant and was found to be suitable for cultivation under irrigated (favourable) environment. Genotypes, viz ‘RGN 13’, ‘NRCDR 02’, ‘Vasundhra’ and ‘Pusa Jagannath’ may be included in any breeding programme to develop high-yielding stable genotypes over the environments. Direct selection in the segregating generations of such parents for 1000-seed weight, point to first branch along with simultaneous selection for secondary branches/plant, siliqua length and total number of siliquae/plant will be responsive for improvement of seed yield/plant
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor ICAR
 
Date 2010-09-13
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/909
 
Source The Indian Journal of Agricultural Sciences; Vol 80, No 9 (2010)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/909/377
 
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