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Heterosis in relation to genetic divergence in maize (Zea mays L.)

By: Prasad, S.K.
Contributor(s): Singh, T.P [coaut.].
Material type: materialTypeLabelArticlePublisher: 1986ISSN: 1573-5060 (Revista en electrónico).Subject(s): Combining ability | High yielding varieties | Hybrid vigour | Hybridization | Zea mays AGROVOC | Genotypes AGROVOC | Plant breeding AGROVOC In: Euphytica v. 35, no. 3, p. 919-924617713Summary: A diallel cross was made among 10 varieties that had been selected out of 64varieties from 6 different geographical regions on the basis of multivariate analysis using 12 quantitative characters. The genetic distances between different pairs of the 10 varieties (measured as Mahalanobis' D2 statistic) varied from D2 its components was greater when the parents were moderately diverse than when they were highly diverse. It is concluded that genetic diversity should not be the sole criterion in choosing parents for hybridization, and that per se performance should also be taken into account.Collection: Reprints Collection
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Article CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

Reprints Collection REP-3851 (Browse shelf) 1 Available 617713
Total holds: 0

Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0014-2336

Tables, references p. 924

A diallel cross was made among 10 varieties that had been selected out of 64varieties from 6 different geographical regions on the basis of multivariate analysis using 12 quantitative characters. The genetic distances between different pairs of the 10 varieties (measured as Mahalanobis' D2 statistic) varied from D2 its components was greater when the parents were moderately diverse than when they were highly diverse. It is concluded that genetic diversity should not be the sole criterion in choosing parents for hybridization, and that per se performance should also be taken into account.

English

Springer

Reprints Collection

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