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Genetic variability, stability and correlation studies in lowland rice (Oryza sativa) genotypes

Indian Agricultural Research Journals

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Title Genetic variability, stability and correlation studies in lowland rice (Oryza sativa) genotypes
 
Creator VANGE, T
OJO, A A
BELLO, L L
 
Subject genetic variability, stability, correlation, selection index
 
Description A field experiment was conducted during 1994-95 to evaluate 10 early duration rainfed lowland rice (Oryza sativaL.) genotypes for grain yield and its yield components. Considerable range of variation was expressed for most of thetraits. Grain yield was 2.0-4.2 tonnes/ha while other characters also varied substantially (1 OOO-grain weight: 22.4-30.9g, grains/panicle: 116-155, panicles/m .140-233 and flagleafarea: 26.28-42.30 cm2).Genotypes showed consistentsignificant (p -< 0.01) differences for grain yield, as well as genotype (G) X year (Y) interaction for all other traits withexception of days to 50% flowering, 'Sipi 692033' and 'Farox. 304-1-2' with grain yields of 4.1 and 3.8 tonnes/harespectively, appeared promising. Correlation results showed that grain weight, branches/panicle, panicles/m2 and flagleafarea could be considered as selection criteria in lowland rice breeding programme in Nigeria.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2013-01-09
 
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/26207
 
Source The Indian Journal of Agricultural Sciences; Vol 69, No 1 (1999)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/26207/12022
 
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