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Stability of yield and its components in garden pea (Pisum sativum)

Indian Agricultural Research Journals

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Title Stability of yield and its components in garden pea (Pisum sativum)
 
Creator PAN, R S
KRISHNA PRASAD, V S R
RAI, MATHURA
 
Subject Pea, Pisum sativum, Stability analysis
 
Description An experiment was conducted during the winter season of 1994, 1995 and 1996 to study the stability parameters, viz regression coefficient (bi) and mean square deviations (S2di) from linear regression, along with per-se performance of 9 varieties or lines of mid-season pea (Pisum sativum L., s.1.) for 7 yield-related characters. Linear and non-linear components of genotype x environment (G x E) interactions were high and low, respectively, for green pod yield. However, non-significant G x E (linear) interaction and significantpooled deviation for days to 50% flowering, pod length, pod breadth, seeds/pod, 100-green seed weight and shelling (%) indicated preponderance of non-linear component of G x E interaction. 'KS 226' was better performing, stable and suitable for favourable environments for green pod yield (15.3 tonnes/ha), pod length (9.3 cm), seeds/pod (6.8) and 100-green seed weight (48.9 g) and suitable for unfavourable environment for pod breadth (1.5 cm). 'VL 6' performed the best regarding green pod yield (17.8 tonnes/ha) and seeds/pod (6.9) and was stable and suitable [or favourable environments. 'Azad P 1' was better performing. and stablefor pod length (9.3 cm) and 100-green seed  weight (59 g) and was also stable for pod brelldth (1.5 cm) and responsive in unfavourable environments. 'Bonneville' was better performing and stable for 100-green seed weight (51.4 g) and suitable for favourable environments, whereas 'RPM 34-2' was better performing and stable for shelling (51.8%) and showed average response to change in envirorunental conditions.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2014-05-07
 
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/40432
 
Source The Indian Journal of Agricultural Sciences; Vol 71, No 11 (2001)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/40432/18108
 
Rights Copyright (c) 2014 The Indian Journal of Agricultural Sciences