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Stress tolerance and heritability in dill (Anethum graveolens) lines from central and western India under contrasting soil sodicity environments

Indian Agricultural Research Journals

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Title Stress tolerance and heritability in dill (Anethum graveolens) lines from central and western India under contrasting soil sodicity environments
 
Creator GAUTAM, R K
CHAUHAN, M S
PANESAR, B
NAYAK, A K
SHARMA, D K
QADAR, A
SINGH, GURBACHAN
 
Subject Anethum graveolens, Correlation, Dill, Heritability, Micro-plots, Path analysis, Sodic soil,Stress susceptibility index
 
Description Dill (Anthum graveolens L.) crop is tolerant to salinity and its adaptation under sodic soils was not previously reported. Therefore, the present study was conducted during 2005–07 at two locations (Karnal and Lucknow) to identify sodicity tolerant genotypes and to elucidate parameters of genetic variability and nature of inter-relationships among various traits affecting the seed yield in dill in sodic soils. Eleven genotypes of dill were evaluated under three environments (normal, moderate sodic ~ pH2 9.5 and high sodic ~ pH2 9.8) during winter (rabi) 2005–06 and 2006–07. Among all collections,‘CSS 1’ was found to exhibit highest seed yield across three years under different alkalinity locations. The trait number of inflorescence/plant showed maximum sensitivity, followed by seed yield, plant height, primary and secondary branches and plant stand in almost both stress regimes. In the moderate sodic soil there was low genotypic coefficent of variation, high heritability, high genetic advance and a positive and significant correlation of secondary branches, primary branches and inflorescence number with seed yield. These traits also exercised relatively higher direct effects. Thus, further genetic improvement in this hardy crop under high sodic environment can be achieved using indirect selections for these traits.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2011-04-04
 
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/5374
 
Source The Indian Journal of Agricultural Sciences; Vol 81, No 4 (2011)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/5374/2235
 
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