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Breeding system in a population of Trigonella balansae (Leguminosae).

ABSTRACT:

Background and aims

Although some taxonomic studies in the genus Trigonella have been conducted, there has been no concerted effort to study the breeding system. This paper examines the floral structure and pollination system in a population of T. balansae, an annual pasture legume.

Methods

Floral morphology, hand and vector pollination, stigma receptivity, pollen tube growth, using scanning electron and fluorescence microscopy, were conducted.

Key results

Measurements of floral structure from before to after anthesis indicates an inability for T. balansae to self-pollinate and a requirement for an external vector to effectively transfer pollen from the anthers onto the stigmas of this species. Seed set can be obtained by hand or honeybee manipulation of T. balansae flowers.

Conclusions

Trigonella balansae is a self-compatible species, but which requires vectors such as honeybees to bring about pollination.

SUBMITTER: Nair RM

PROVIDER: S-EPMC4242283 | biostudies-literature | 2004 Dec

REPOSITORIES: biostudies-literature

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Breeding system in a population of Trigonella balansae (Leguminosae).

Nair Ramakrishnan M RM Dundas Ian S IS Wallwork Meredith M Verlin Dawn C DC Waterhouse Lyn L Dowling Kate K

Annals of botany 20041015 6

<h4>Background and aims</h4>Although some taxonomic studies in the genus Trigonella have been conducted, there has been no concerted effort to study the breeding system. This paper examines the floral structure and pollination system in a population of T. balansae, an annual pasture legume.<h4>Methods</h4>Floral morphology, hand and vector pollination, stigma receptivity, pollen tube growth, using scanning electron and fluorescence microscopy, were conducted.<h4>Key results</h4>Measurements of f ...[more]

PMID: 15489252

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