Floral development and breeding system of Swainsona formosa (Leguminosae)
Date
1994
Authors
Jusaitis, M.
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Journal article
Citation
Hortscience: A Publication of the American Society for Hortcultural Science, 1994; 29(2):117-119
Statement of Responsibility
Manfred Jusaitis
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Abstract
<jats:p>
Flowers of
<jats:italic>Swainsona formosa</jats:italic>
(G. Don) J. Thompson (syn.
<jats:italic>Clianthus formosus)</jats:italic>
developed through seven floral stages from buds to open flowers in 17 days. Floral stages were correlated with the sigmoidal growth pattern of the peduncle. Self-pollination was prevented in the species by the presence of a stigmatic cuticle that precluded pollen germination until ruptured, exposing the receptive surface below. Cuticular rupture occurred in nature during bird-pollination and was emulated manually by lightly rubbing a pollen-covered finger across the stigma. The species was self-compatible, and to ensure cross-fertilization when breeding, emasculation before anther dehiscence was essential.
</jats:p>
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