Differential ovule development following self- and cross-pollination: the basis of self-sterility in Narcissus triandrus (Amaryllidaceae).

@article{Sage1999DifferentialOD,
  title={Differential ovule development following self- and cross-pollination: the basis of self-sterility in Narcissus triandrus (Amaryllidaceae).},
  author={T. Sage and F. Strumas and W. W. Cole and S. Barrett},
  journal={American journal of botany},
  year={1999},
  volume={86 6},
  pages={
          855-70
        }
}
Self-pollination results in significantly lower seed set than cross-pollination in tristylous Narcissus triandrus. We investigated structural and functional aspects of pollen-pistil interactions and ovule-seed development following cross- and self-pollination to assess the timing and mechanism of self-sterility. Ovule development within an ovary was asynchronous at anthesis. There were no significant differences in pollen tube behavior following cross- vs. self-pollination during the first 6 d… Expand
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