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Heterosis and combining ability for leaf yield and its components in vegetable amaranth (Amaranth us tricolor)

Indian Agricultural Research Journals

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Title Heterosis and combining ability for leaf yield and its components in vegetable amaranth (Amaranth us tricolor)
 
Creator REDDY, V V PRATAP
VARALAKSHMI, B
 
Subject Amaranthus tricolor, heterosis, gca, sea
 
Description Heterosis, general and specific combining ability variances and their effects were studied for nine characters in linex tester design in vegetable amaranth (Amaranthus tricolor L.). The results indicated the pre-dominance of non-additivegene action for plant height, leaf number, leaflength, leaf breadth, stem girth, stem weight, leaf weight and plant weight.Additive gene action was preponderant for leaf stem ratio. Significant heterosis over both the better and mid-parents wasexpressed by 'AV 22' X 'AV 69' for plant height, 'AV 6' x 'AV 69' for plant weight. The best combiners were 'AV 6','AV 22' among the 5 lines and 'AV 69' of the 2 testers. Based on both the specific combining ability effects and meanperformance, cross' AV 31' x 'AV 69' was found to be superior for plant yield and its attributes, viz leaf breadth, stemgirth, stem weight and leaf weight.
 
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/27827
 
Source The Indian Journal of Agricultural Sciences; Vol 68, No 12 (1998)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/27827/12628
 
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