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Macroevolution of plant defense Anurag A. Agrawal
 

Summary: Macroevolution of plant defense
strategies
Anurag A. Agrawal
Department of Ecology and Evolutionary Biology, Cornell University, Corson Hall, Ithaca, NY 14853-2701, USA
Department of Entomology, Cornell University, Comstock Hall, Ithaca, NY 14853-2601, USA
Theories of plant defense expression are typically based
on the concepts of tradeoffs among traits and of phylo-
genetic conservatism within clades. Here, I review recent
developmentsinphylogeneticapproachestounderstand-
ing the evolution of plant defense strategies and plant­
herbivore coevolutionary interactions. I focus particularly
on multivariate defense against insect herbivores, which
is the simultaneous deployment of multiple traits, often
arranged as convergently evolved defense syndromes.
Answering many of the outstanding questions in the
biology of plant defense will require generating broad
hypotheses that can be explicitly tested by using
comparative approaches and interpreting phylogenetic
patterns. The comparative approach has wide-spread
potentialto reinvigorate testsof classic hypotheses about

  

Source: Agrawal, Anurag - Department of Ecology and Evolutionary Biology & Entomollogy, Cornell University

 

Collections: Environmental Sciences and Ecology