Combining ability analysis of blackpod disease incidence in cocoa genotypes in Ghana

There were significant differences between cocoa genotypes in the levels of blackpod disease in two field trials. Additive (genetic) effects were predominant. The genotypes Pa 150, Alph. B36 and Pound 7 were identified as the best parents for breeding for enhanced resistance to the disease. The perf...

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Bibliographic Details
Published in:Tropical science 2006-12, Vol.46 (4), p.201-204
Main Author: Adomako, B
Format: Article
Language:English
Subjects:
Blackpod disease
breeding
cocoa
combining ability
resistance
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Summary:There were significant differences between cocoa genotypes in the levels of blackpod disease in two field trials. Additive (genetic) effects were predominant. The genotypes Pa 150, Alph. B36 and Pound 7 were identified as the best parents for breeding for enhanced resistance to the disease. The performance of cocoa progenies in terms of blackpod disease incidence cannot always be reliably predicted from the genetic potential of their parents. Copyright © 2006 John Wiley & Sons, Ltd
ISSN:0041-3291
1556-9179
DOI:10.1002/ts.176