NDLI: Repeated damage by specialist insects suppresses the growth of a high tolerance invasive tree

Content Provider	Springer Nature Link
Author	Wang, Yi Zhu, Lin Siemann, Evan Ding, Jianqing
Copyright Year	2016
Abstract	Many invasive plant species have high tolerance to herbivore damage, which can lead to low impacts of introduced biological control insects. High herbivore tolerance may be a trait acquired by invasive plants in their invaded range which makes it difficult to predict impacts of introduced insects. In this study, we compared the growth and foliar secondary chemical responses of invasive and native populations of Triadica sebifera (Chinese tallow tree) to repeated damage by specialist or generalist herbivores. We found repeated damage significantly decreased plant biomass and increased foliar tannin and flavonoid concentrations compared to a single damage event. These effects were significantly stronger with specialist damage than with generalist damage but the magnitudes of these differences were small. Plants from invasive populations had lower foliar tannins and higher foliar flavonoids than plants from native populations and had greater biomass in every damage treatment. Our results suggest that repeated damage could suppress the growth of invasive plants with high tolerance. Thus using multivoltine herbivores as biological control agents may overcome herbivore tolerance and increase biological control efficacy.
Starting Page	793
Ending Page	801
Page Count	9
File Format	PDF
ISSN	13866141
Journal	BioControl
Volume Number	61
Issue Number	6
e-ISSN	15738248
Language	English
Publisher	Springer Netherlands
Publisher Date	2016-06-11
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Plant–insect interactions Chemical ecology Plant defense Forest invasive plants Biological control Entomology Plant Pathology Agriculture Animal Ecology Animal Biochemistry Behavioral Sciences
Content Type	Text
Resource Type	Article
Subject	Insect Science Agronomy and Crop Science

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