Induced Responses to Herbivory and Increased Plant Performance

Author:

Agrawal Anurag A.1

Affiliation:

1. Department of Entomology, and Center for Population Biology, One Shields Avenue, University of California at Davis, Davis, CA 95616–8584, USA.

Abstract

Plant resistance to herbivores was induced in a field experiment to evaluate the consequences of induced responses for subsequent herbivory and plant fitness. Induction early in the season resulted in halving of herbivory by chewing herbivores and a reduction in the abundance of phloem-feeding aphids when compared with controls. A correlate of lifetime plant fitness, seed mass, was enhanced by over 60 percent for individuals that were induced.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference71 articles.

1. Leaf Herbivores Decrease Fitness of a Tropical Plant

2. Simms E. L., Rausher M. D., Evolution 43, 573 (1989);

3. ; R. J. Marquis in Plant Resistance to Herbivores and Pathogens. Ecology Evolution and Genetics R. S. Fritz and E. L. Simms Eds. (Univ. of Chicago Press Chicago IL 1992) pp. 392–425;

4. Nunez-Farfan J., Dirzo R., Evolution 48, 423 (1994).

5. R. Karban and I. T. Baldwin Induced Responses to Herbivory (Univ. of Chicago Press Chicago IL 1997).

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