Correlation between speed of pollen tube growth and seedling height in Zea mays L. View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

1974-05

AUTHORS

DAVID L. MULCAHY

ABSTRACT

EVIDENCE of a correlation between gametophytic and sporophytic qualities could be useful because gametophytic competition is both frequent and severe in natural populations1. A statistically significant correlation has been found in Zea mays between the relative speeds with which pollen tubes penetrate the lengths of styles and the relative competitive abilities of the resultant zygotes2. This correlation was found in a study of mixtures of two pollen types when the sporophytic competition was limited to interactions between zygotes developing within a common inflorescence. It is therefore possible that faster growing pollen tubes allow a relatively early start in postfertilisation growth which accounts for the competitive superiority of the resultant zygotes, although there is a conflicting report3. More... »

PAGES

491-493

Identifiers

URI

http://scigraph.springernature.com/pub.10.1038/249491a0

DOI

http://dx.doi.org/10.1038/249491a0

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1004286939


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