Clonal integration of induced resistance to herbivory damage in <i>Chamerion angustifolium</i>
Abstract
A plants ability to resist high levels of herbivory may increase performance and fitness, then be favored by natural selection (Agrawal et al 1998, Karban 1993). The objectives of this study were to find if Chamerion angustifolium, Fireweed, develops an induced resistance to herbivory damage and if itclonally integrates this defense. Adoxus obscurus, a specialist beetle to C. angustifolium, was the selected herbivore to damage leaf tissue in this experiment. A. obscurus presented unpredictable and irregular levels of herbivory damage. In this experiment 60 different genets were selected at three different temporal blocks. The results showed no signicant difference between the controlled and damaged genets in terms of leaf surface area and beetle weight loss. C. angustifolium may potentially have the ability to tolerate the higher levels of herbivory present in this experiment.
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