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Selection effect of heritability and association in sugarcane (Saccharum officinarum) of important traits

Indian Agricultural Research Journals

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Title Selection effect of heritability and association in sugarcane (Saccharum officinarum) of important traits
 
Creator SHARMA, M L
SINGH, PRATAP
 
Subject Selection effect of heritability and association in sugarcane (Saccharum officinarum) of important traits
 
Description An experiment was conducted during 1995-96 on 60 genotypes in selected and unselected population of sugarcane(Saccharum officinarum L.) of different origins, viz Coimbatore (,Co '), Coimbatore-Shahjahanpur ('CoS ') and Bihar-Orissa('BO'). The mean value in selected population was higher showing 22.81 to 31.80% increase in stalk weight and8.64 to 22.96% in number of internode. The lowest mean 1.37-6.46% was increased for hand refractometer comparedwith the unselected population. The range of select fOil differential was 6.25% compared with unselected population.The high coefficient of variation and moderate heritability were found for stalk weight, height, girth and numberand length of internode whereas the low coefficient of variation and high heritability were found for hand refractometerbrix in both the population. The low magnitude of variation and high heritability were exhibited in selected population.A negative genotypic correlation was found between brix and stalk weight and girth. The brix  was positively andsignificantly correlated with number and length of internodes and stalk height in both the populations. It was noticed in.selected population that the genetic magnitude increased in positive direction and decreased in negative direction formost of the characters in each category which is considered in sugarcane improvement.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2013-02-25
 
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/27613
 
Source The Indian Journal of Agricultural Sciences; Vol 68, No 7 (1998)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/27613/12522
 
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