Trade-offs in non-native plant herbivore defences enhance performance

Xiao Sun; Yumei Sun; Xueyao Cao; Xincong Zhai; Ragan M. Callaway; Jinlong Wan; S. Luke Flory; Wei Huang; Jianqing Ding

doi:10.1111/ele.14283

Trade-offs in non-native plant herbivore defences enhance performance

Xiao Sun, Yumei Sun, Xueyao Cao, Xincong Zhai, Ragan M. Callaway, Jinlong Wan, S. Luke Flory, Wei Huang, Jianqing Ding

Division of Biological and Biomedical Sciences

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

Non-native plants are typically released from specialist enemies but continue to be attacked by generalists, albeit at lower intensities. This reduced herbivory may lead to less investment in constitutive defences and greater investment in induced defences, potentially reducing defence costs. We compared herbivory on 27 non-native and 59 native species in the field and conducted bioassays and chemical analyses on 12 pairs of non-native and native congeners. Non-natives suffered less damage and had weaker constitutive defences, but stronger induced defences than natives. For non-natives, the strength of constitutive defences was correlated with the intensity of herbivory experienced, whereas induced defences showed the reverse. Investment in induced defences correlated positively with growth, suggesting a novel mechanism for the evolution of increased competitive ability. To our knowledge, these are the first linkages reported among trade-offs in plant defences related to the intensity of herbivory, allocation to constitutive versus induced defences, and growth.

Original language	English
Pages (from-to)	1584-1596
Number of pages	13
Journal	Ecology Letters
Volume	26
Issue number	9
DOIs	https://doi.org/10.1111/ele.14283
State	Published - Sep 2023

Funding

We thank Shiqiang Wan for providing the experiment field for common garden tests. We thank Hongwei Yu, Sichong Chen, Yan Sun, Jun Liu and Yu Shi for data analysis. We thank the assistance for secondary metabolism from Shanghai BIOTREE Biological Technology Co., Ltd., Shanghai, China. This work was supported by National Natural Science Foundation of China (U21A20190, 32071658, 32071660, 31822007, 32001239), Henan Province University Innovation Talents Support Program (22HASTIT039), Young Talent Support Project of Henan Province (2021HYTP034), Excellent Young Scientists Fund of Henan Province (232300421027), and National Science Foundation EPSCoR Cooperative Agreement (OIA-1757351). We thank Shiqiang Wan for providing the experiment field for common garden tests. We thank Hongwei Yu, Sichong Chen, Yan Sun, Jun Liu and Yu Shi for data analysis. We thank the assistance for secondary metabolism from Shanghai BIOTREE Biological Technology Co., Ltd., Shanghai, China. This work was supported by National Natural Science Foundation of China (U21A20190, 32071658, 32071660, 31822007, 32001239), Henan Province University Innovation Talents Support Program (22HASTIT039), Young Talent Support Project of Henan Province (2021HYTP034), Excellent Young Scientists Fund of Henan Province (232300421027), and National Science Foundation EPSCoR Cooperative Agreement (OIA‐1757351).

Funders	Funder number
232300421027
OIA‐1757351
2021HYTP034
National Natural Science Foundation of China	32001239, 32071658, 31822007, U21A20190, 32071660
22HASTIT039

Keywords

constitutive defence
growth
herbivore pressure
induced defence
non-native plant invasion
Herbivory
Plants
Plant Physiological Phenomena

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10.1111/ele.14283

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title = "Trade-offs in non-native plant herbivore defences enhance performance",

abstract = "Non-native plants are typically released from specialist enemies but continue to be attacked by generalists, albeit at lower intensities. This reduced herbivory may lead to less investment in constitutive defences and greater investment in induced defences, potentially reducing defence costs. We compared herbivory on 27 non-native and 59 native species in the field and conducted bioassays and chemical analyses on 12 pairs of non-native and native congeners. Non-natives suffered less damage and had weaker constitutive defences, but stronger induced defences than natives. For non-natives, the strength of constitutive defences was correlated with the intensity of herbivory experienced, whereas induced defences showed the reverse. Investment in induced defences correlated positively with growth, suggesting a novel mechanism for the evolution of increased competitive ability. To our knowledge, these are the first linkages reported among trade-offs in plant defences related to the intensity of herbivory, allocation to constitutive versus induced defences, and growth.",

keywords = "constitutive defence, growth, herbivore pressure, induced defence, non-native plant invasion, Herbivory, Plants, Plant Physiological Phenomena",

author = "Xiao Sun and Yumei Sun and Xueyao Cao and Xincong Zhai and Callaway, \{Ragan M.\} and Jinlong Wan and Flory, \{S. Luke\} and Wei Huang and Jianqing Ding",

note = "Publisher Copyright: {\textcopyright} 2023 The Authors. Ecology Letters published by John Wiley \& Sons Ltd.",

year = "2023",

month = sep,

doi = "10.1111/ele.14283",

language = "English",

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AU - Sun, Xiao

AU - Sun, Yumei

AU - Cao, Xueyao

AU - Zhai, Xincong

AU - Callaway, Ragan M.

AU - Wan, Jinlong

AU - Flory, S. Luke

AU - Huang, Wei

AU - Ding, Jianqing

PY - 2023/9

Y1 - 2023/9

N2 - Non-native plants are typically released from specialist enemies but continue to be attacked by generalists, albeit at lower intensities. This reduced herbivory may lead to less investment in constitutive defences and greater investment in induced defences, potentially reducing defence costs. We compared herbivory on 27 non-native and 59 native species in the field and conducted bioassays and chemical analyses on 12 pairs of non-native and native congeners. Non-natives suffered less damage and had weaker constitutive defences, but stronger induced defences than natives. For non-natives, the strength of constitutive defences was correlated with the intensity of herbivory experienced, whereas induced defences showed the reverse. Investment in induced defences correlated positively with growth, suggesting a novel mechanism for the evolution of increased competitive ability. To our knowledge, these are the first linkages reported among trade-offs in plant defences related to the intensity of herbivory, allocation to constitutive versus induced defences, and growth.

AB - Non-native plants are typically released from specialist enemies but continue to be attacked by generalists, albeit at lower intensities. This reduced herbivory may lead to less investment in constitutive defences and greater investment in induced defences, potentially reducing defence costs. We compared herbivory on 27 non-native and 59 native species in the field and conducted bioassays and chemical analyses on 12 pairs of non-native and native congeners. Non-natives suffered less damage and had weaker constitutive defences, but stronger induced defences than natives. For non-natives, the strength of constitutive defences was correlated with the intensity of herbivory experienced, whereas induced defences showed the reverse. Investment in induced defences correlated positively with growth, suggesting a novel mechanism for the evolution of increased competitive ability. To our knowledge, these are the first linkages reported among trade-offs in plant defences related to the intensity of herbivory, allocation to constitutive versus induced defences, and growth.

KW - constitutive defence

KW - growth

KW - herbivore pressure

KW - induced defence

KW - non-native plant invasion

KW - Herbivory

KW - Plants

KW - Plant Physiological Phenomena

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JO - Ecology Letters

JF - Ecology Letters

IS - 9

ER -

Trade-offs in non-native plant herbivore defences enhance performance

Abstract

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Keywords

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