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Stability parameters for opium and seed yield in opium poppy (Papaver somniferum)

Indian Agricultural Research Journals

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Title Stability parameters for opium and seed yield in opium poppy (Papaver somniferum)
 
Creator SINGH, S P
SHUKLA, SUDHIR
 
Subject Papaver somniferum, Opium, Stability, Linear Regression, Regression coefficient, G x E interaction
 
Description An experiment was conducted during 1995-96 to 1998-99 to evaluate 10 varieties for stability parameters for opium yield, seed yield and morphine content in opium poppy (Papaver somniferum L.). The varieties showed significant differences for all the traits. Joint regression analysis indicated that both predictable and unpredictable components contributed significantly towards the difference in stability of genotypes. However, larger variation in regression coefficients revealed that genotypes had different degree of environmental response. Genotypes studied did not show uniform stability (s2 di) and response (linear) for all the characters. The genotypes 'NBRI 9', 'NBRI 10' and 'BROP 1' were more stable and responsive than other over environment for all 3 traits. The mean performance was found associated with linear (S2 di) component with mean (X) and regression (bi) was noticed.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2014-04-16
 
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/39797
 
Source The Indian Journal of Agricultural Sciences; Vol 71, No 5 (2001)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/39797/17904
 
Rights Copyright (c) 2014 The Indian Journal of Agricultural Sciences