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- W4313894680 endingPage "283" @default.
- W4313894680 startingPage "283" @default.
- W4313894680 abstract "Plants are attacked by multiple herbivores, and depend on a precise regulation of responses to cope with a wide range of antagonists. Simultaneous herbivory can occur in different plant compartments, which may pose a serious threat to plant growth and reproduction. In particular, plants often face co-occurring root and floral herbivory, but few studies have focused on such interactions. Here, we investigated in the field the combined density-dependent effects of root-chewing cebrionid beetle larvae and flower-chewing pierid caterpillars on the fitness and defense of a semiarid Brassicaceae herb. We found that the fitness impact of both herbivore groups was independent and density-dependent. Increasing root herbivore density non-significantly reduced plant fitness, while the relationship between increasing floral herbivore density and the reduction they caused in both seed number and seedling emergence was non-linear. The plant defensive response was non-additive with regard to the different densities of root and floral herbivores; high floral herbivore density provoked compensatory investment in reproduction, and this tolerance response was combined with aboveground chemical defense induction when also root herbivore density was high. Plants may thus prioritize specific trait combinations in response to varying combined below- and aboveground herbivore densities to minimize negative impacts on fitness." @default.
- W4313894680 created "2023-01-10" @default.
- W4313894680 creator A5017295504 @default.
- W4313894680 creator A5017908441 @default.
- W4313894680 creator A5072992949 @default.
- W4313894680 creator A5074749826 @default.
- W4313894680 date "2023-01-07" @default.
- W4313894680 modified "2023-10-01" @default.
- W4313894680 title "Density-Dependent Effects of Simultaneous Root and Floral Herbivory on Plant Fitness and Defense" @default.
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