The effect of multiple host species on a keystone parasitic plant and its aphid herbivores
The effect of multiple host species on a keystone parasitic plant and its aphid herbivores
复制标题
多种寄主物种对关键寄生植物及其蚜虫食草动物的影响
DOI:
10.1111/1365-2435.12281
复制
发表时间:
2014
影响因子:
5.2
通讯作者:
Rowntree J
中科院分区:
文献类型:
--
作者:
Rowntree J
The exploitation of shared resources by diverse organisms underpins the structure of ecological communities. Hemiparasitic plants and the insect herbivores feeding on them both rely, directly and indirectly, on the resources supplied by the parasite's host plant. Therefore, the identity and number of host plant species providing these resources is likely to be critical for parasite and herbivore performance.We tested the effect of single and multiple host species on the biomass of the generalist parasitic plantRhinanthus minorand the abundance of its aphid (Aphis gossypii) herbivores.Parasite biomass was proportional to the number of haustorial connections to host roots and was determined by host species identity rather than host functional group. Host species identity was also an important influence on aphid population size, and parasites attached toLotus corniculatusexperienced a considerable reduction in aphid herbivory.The effects on the parasite attaching to multiple hosts depended on the combination of species present. However, host mixtures generally benefitted aphids by diluting the negative effects of particular host species.Our findings suggest that the specificity of host attachment alters the impact of this keystone parasitic plant on its own herbivores and, potentially, on the wider plant and herbivore community.
登录
查看更多内容
影响因子:
5.5
作者:
D. Westbury
通讯作者:
D. Westbury
DOI:
10.1111/j.1469-8137.1993.tb03871.x
发表时间:
1993
期刊:
The New phytologist
影响因子:
--
作者:
W. Seel;M. Press
通讯作者:
M. Press
DOI:
--
发表时间:
2002
期刊:
影响因子:
--
作者:
L. S. Adler
通讯作者:
L. S. Adler
影响因子:
4.8
作者:
Marvier, MA
通讯作者:
Marvier, MA
影响因子:
6.4
作者:
W. Seel;R. Cooper;M. Press
通讯作者:
M. Press