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Actual and predicted performance of varietal crosses for grain yield and maturity in maize

By: Bhalla, S.K.
Contributor(s): Aggarwal, K.N [coaut.] | Sharma, B.K [coaut.] | Sharma, R.K [coaut.].
Material type: materialTypeLabelArticlePublisher: 1985ISSN: 0256-0933.Subject(s): Crop yield | Hybrid vigour | Maturation | Selection | Zea mays AGROVOC | Hybrids AGROVOC | Plant breeding AGROVOCDDC classification: 88-043008 In: Crop Improvement v. 12, no. 1, p. 35-3888-043008Summary: The predicted performance of two parent and multiple crosses developed from five composite populations of maize (Zea mays L.) was found to be comparable with the actual performance for various characters studied. The predicted percentage of heterosis also compared very well with the observed heterosis in F1 and similar trend was observed in random mated (F1r) progenies but not in (F1s) progenies for grain yield. The dominance effects in general exceeded the respective additive effects for almost all the characters. Exploitation of hybrid vigour appeared to be the most profitable breeding approachCollection: AGRIS Collection
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Item type Current location Collection Call number Copy number Status Date due Barcode Item holds
Article CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

AGRIS Collection 88-043008 (Browse shelf) 1 Available 88-043008
Total holds: 0

10 ref. Summary (En)

The predicted performance of two parent and multiple crosses developed from five composite populations of maize (Zea mays L.) was found to be comparable with the actual performance for various characters studied. The predicted percentage of heterosis also compared very well with the observed heterosis in F1 and similar trend was observed in random mated (F1r) progenies but not in (F1s) progenies for grain yield. The dominance effects in general exceeded the respective additive effects for almost all the characters. Exploitation of hybrid vigour appeared to be the most profitable breeding approach

Global Wheat Program

English

No CIMMYT affiliation

INT3065

AGRIS Collection

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