Floral Structure, Stigma Receptivity and Pollen Viability in Relation to Protandry and Self-incompatibility in Silky Oak (Grevillia robusta A. Cunn)
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Kalinganire, A; Harwood, C; Slee, Mike; Simons, A
Description
The reproductive biology of Grevillea robusta growing under exotic conditions in Kenya and Australia is reported. The species showed both protandry and a self-incompatibility mechanism. The stigma was wet and papillate with a distinct groove in the middle. The anthers dehisced prior to anthesis, when the perianth opened. Stigmatic receptivity began 1 d after anthesis, with the greatest pollen germination rates and longest pollen tubes obtained 2 d after anthesis. Nectar secretion commenced with...[Show more]
Collections | ANU Research Publications |
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Date published: | 2000 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/90296 |
Source: | Annals of Botany |
DOI: | 10.1006/anbo.2000.1170 |
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File | Description | Size | Format | Image |
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01_Kalinganire_Floral_Structure,_Stigma_2000.pdf | 372.2 kB | Adobe PDF | Request a copy |
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