Impact of Cotyledon and Leaf Removal on Seedling Survival in Three Tree Species with Contrasting Cotyledon Functions1

Kaoru Kitajima

doi:10.1646/02154

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Kaoru Kitajima¹

¹Department of Botany, University of Florida, 220 Bartram Hall, Gainesville, Florida 32611, U.S.A. kitajima@botany.ufl.edu

Abstract

The relative importance of cotyledons and leaves for seedling survival was evaluated using a factorial field experiment on three neotropical tree species with contrasting cotyledon functional morphologies (photosynthetic, epigeal reserve vs. hypogeal reserve). In all species, cotyledon and leaf removal shortly after leaf expansion had additive negative effects on seedling survival over 7 weeks. Carbon supplies from cotyledons and other carbohydrate reserves apparently enhanced ability of seedlings to cope with herbivory and disease.

Citation Download Citation

Kaoru Kitajima "Impact of Cotyledon and Leaf Removal on Seedling Survival in Three Tree Species with Contrasting Cotyledon Functions," BIOTROPICA 35(3), 429-434, (1 September 2003). https://doi.org/10.1646/02154

Published: 1 September 2003