Unpredictable seed-set: a defence mechanism against seed-eating insects inProtea species (Proteaceae)

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1994 English Publisher:Springer Science and Business Media LLCJournal:Oecologia, volume 99, pages 397-400 (issn: 0029-8549, eissn: 1432-1939,

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Authors: M G, Wright;

doi: 10.1007/bf00627755

pmid: 28313897

Unpredictable seed-set: a defence mechanism against seed-eating insects inProtea species (Proteaceae)

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Abstract

Extent of pre-dispersal seed destruction by insects and seed survival were measured for variousProtea species (Proteaceae) and related to seed-set, variation in seed-set, the percentage of barren infructescences and infructescence age. The hypothesis that low and variable seed-set would act as a defence mechanism against insect seed predators was tested. Results indicated that seed survival and variation in seed-set were highly positively correlated, while seed survival and seed-set were negatively correlated. Variation in seed-set was identified as the most important determinant of seed survival for the range ofProtea species studied.

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