Kin Selection in the Annual Plant Impatiens capensis | Zendy

John K. Kelly | Zendy

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Kin Selection in the Annual Plant Impatiens capensis

Author(s) -

John K. Kelly

Publication year - 1996

Publication title -

the american naturalist

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.954

H-Index - 205

eISSN - 1537-5323

pISSN - 0003-0147

DOI - 10.1086/285885

Subject(s) - impatiens , biology , selection (genetic algorithm) , kin selection , phenotypic plasticity , evolutionary biology , heritability , stabilizing selection , variation (astronomy) , balsaminaceae , ecology , genetic variation , botany , genetics , artificial intelligence , computer science , cultivar , physics , gene , astrophysics

Kin selection occurs when phenotypic variation in a character or set of characters is heritable, spatially structured, and has differential fitness effects on neighboring individuals. Spatially structured, heritable variation has been found for many characters of the annual plant Impatiens capensis (the first two criteria). By manipulating plant growth by apical removal, I show that Impatiens fitness is strongly influenced by the phenotypes of neighboring plants, corroborating a previous study. A specific suite of phenotypes relating to plant architecture is consistently beneficial to neighboring plants. In addition, these manipulative experiments suggest that phenotypic plasticity may often impede purely observational field studies of kin selection in plant populations.

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