Population Genetic Effect of Selection with regard to Sex Expression

Breeders may consider the use of male sterility when developing hybrid varieties or when making complex bulk crosses. The frequency of male sterile plants is then an interesting topic, especially when the involved crop is grown because of seed yield. Male sterile plants may have a reduced seed-set and consequently a reduced fitness as compared to male fertile plants. Selection with regard to sex expression is therefore an issue of practical relevance.


Male Sterility Cytoplasmic Male Sterility Female Plant Male Plant Pollen Distribution 
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© Springer Science + Business Media B.V 2008

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