| Abstract Detail
Ecology Perkovich, Cynthia [1], Ward, David [2]. Oak tree differentiation of defense and reallocation strategies in response to herbivore pressures. Plant strategies against herbivory may involve defending themselves by producing plant secondary metabolites (PSM), regrowing to negate injuries from tissue loss (tolerance), or reallocating resources to better defend or protect themselves from further damage. We investigated the strategies of oak plants to minimize herbivory by investment in tannins and reallocation of non-structural carbohydrates. Oak species may differentially invest in defenses and reallocation depending on the intensity and location of herbivore feeding. We simulated the effects of herbivory by removing 25% or 75% of oak tissue, removing either the apical or lateral meristems. Using 12 oak species from different parts of a well-supported phylogeny, we applied five treatments of simulated herbivory, varying in intensity and location. The 12 species were chosen to represent a broad array of geographical and phylogenetic diversity. Using an untransformed statistical analysis, we found that oak species invest differentially in defensive mechanisms. We will also present a more thorough phylogenetic comparative analysis of the data to determine if differences in defense and reallocation strategies are a result of adaptation to herbivory or if defense and reallocation strategies are associated with particular oak lineages. Log in to add this item to your schedule
1 - 5468 Taylor Rd, Norton, OH, 442037842, United States 2 - Kent State University, 800 Summit Street, Kent, Ohio, 44240, United States
Keywords: oak phylogenetic comparative method plant defenses chemical ecology.
Presentation Type: Poster Session: P, Ecology Posters Location: Arizona Ballroom/Starr Pass Date: Monday, July 29th, 2019 Time: 5:30 PM This poster will be presented at 6:15 pm. The Poster Session runs from 5:30 pm to 7:00 pm. Posters with odd poster numbers are presented at 5:30 pm, and posters with even poster numbers are presented at 6:15 pm. Number: PEC018 Abstract ID:680 Candidate for Awards:Ecological Section Best Graduate Student Poster |