文献类型: 外文期刊
第一作者: Pan, Huipeng
作者: Pan, Huipeng;Wang, Shaoli;Wu, Qingjun;Zhang, Youjun;Preisser, Evan L.;Chu, Dong;Carriere, Yves;Pan, Huipeng;Zhou, Xuguo
作者机构:
关键词: agriculture;Bemisia tabaci;biological invasions;competitive displacement;insecticides;Middle East-Asia Minor I (MEAM1);Mediterranean (MED);plant virus;tomato yellow leaf curl virus (TYLCV)
期刊名称:ECOLOGICAL APPLICATIONS ( 影响因子:4.657; 五年影响因子:5.412 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: While the management of biological invasions is often characterized by a series of single-species decisions, invasive species exist within larger food webs. These biotic interactions can alter the impact of control/eradication programs and may cause suppression efforts to inadvertently facilitate invasion spread and impact. We document the rapid replacement of the invasive Bemisia Middle East-Asia Minor I (MEAM1) cryptic biotype by the cryptic Mediterranean (MED) biotype throughout China and demonstrate that MED is more tolerant of insecticides and a better vector of tomato yellow leaf curl virus (TYLCV) than MEAM1. While MEAM1 usually excludes MED under natural conditions, insecticide application reverses the MEAM1-MED competitive hierarchy and allows MED to exclude MEAM1. The insecticide-mediated success of MED has led to TYLCV outbreaks throughout China. Our work strongly supports the hypothesis that insecticide use in China reverses the MEAM1-MED competitive hierarchy and allows MED to displace MEAM1 in managed landscapes. By promoting the dominance of a Bemisia species that is a competent viral vector, insecticides thus increase the spread and impact of TYLCV in heterogeneous agroecosystems.
分类号: X17
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