Strong effects of hydrologic environment and weak effects of elevated CO2 on the invasive weed Alternanthera philoxeroides and the biocontrol beetle Agasicles hygrophila

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期刊论文

作者：

Henriksen, James W.;Lim, Dana S.;Lu, Xinmin;Ding, Jianqing;Siemann, Evan*

通讯作者：

Siemann, Evan

作者机构：

[Lim, Dana S.; Lu, Xinmin; Siemann, Evan; Henriksen, James W.] Rice Univ, Biosci Dept, Houston, TX 77005 USA.

[Ding, Jianqing; Lu, Xinmin] Chinese Acad Sci, Wuhan Bot Garden, Wuhan Bot Inst, Key Lab Aquat Bot & Watershed Ecol, Wuhan 430074, Hubei, Peoples R China.

[Lu, Xinmin] Cent China Normal Univ, Sch Life Sci, Wuhan 430079, Hubei, Peoples R China.

[Ding, Jianqing] Henan Univ, Sch Life Sci, Kaifeng 475004, Henan, Peoples R China.

通讯机构：

[Siemann, Evan] R

Rice Univ, Biosci Dept, Houston, TX 77005 USA.

语种：

英文

关键词：

Alligator weed;Alligator weed flea beetle;Biocontrol;Carbon dioxide;Climate change

期刊：

ARTHROPOD-PLANT INTERACTIONS

ISSN：

1872-8855

年：

2018

卷：

期：

页码：

691-700

DOI：

10.1007/s11829-018-9614-0

基金类别：

Snyder, and Hong Wang for their help in field and lab work and financial support from NSF-China (NSF-C 31370547 & 31570540) and a Spurlino Fellowship.

机构署名：

本校为其他机构

院系归属：

生命科学学院

摘要：

Global change, such as elevated CO2, may alter interactions between invasive plants and biocontrol agents, impacting biocontrol efficacy. Here, we conducted four experiments in Texas, USA to test how elevated CO2 influences an invasive plant (Alternanthera philoxeroides) and its interactions with an introduced biocontrol beetle (Agasicles hygrophila) in terrestrial (well-watered) and flooded environments. We grew plants for 9 months in ambient or elevated CO2 (800 ppm) chambers in continuously flooded or well-watered conditions. In no-choice trials, flooding increased leaf toughness and decrea...

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Strong effects of hydrologic environment and weak effects of elevated CO2 on the invasive weed Alternanthera philoxeroides and the biocontrol beetle Agasicles hygrophila

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