Host shoot clipping depresses the growth of weedy hemiparasitic Pedicularis kansuensis

doi:10.1007/s10265-015-0727-6

	Host shoot clipping depresses the growth of weedy hemiparasitic Pedicularis kansuensis
	Sui, Xiao-Lin; Huang, Wei; Li, Yun-Ju; Guan, Kai-Yun; Li, Ai-Rong
	2015-07-01
发表期刊	JOURNAL OF PLANT RESEARCH
卷号	128 期号:4 页码:563-572
摘要	Root hemiparasitic plants show optimal growth when attached to a suitable host by abstracting water and nutrients. Despite the fact that damage to host plants in the wild occurs frequently in various forms (e.g. grazing), effects of host damage on growth and physiological performance of root hemiparasites remain unclear. In this study, host shoot clipping was conducted to determine the influence of host damage on photosynthetic and growth performance of a weedy root hemiparasite, Pedicularis kansuensis, and its interaction with a host, Elymus nutans. Photosynthetic capacity, tissue mineral nutrient content and plant biomass of P. kansuensis were significantly improved when attached to a host plant. Host clipping had no effect on quantum efficiency (I broken vertical bar(PSII)), but significantly reduced the growth rate and biomass of P. kansuensis. In contrast, clipping significantly improved photosynthetic capacity and accumulation of potassium in E. nutans. No significant decrease in biomass was observed in clipped host plants. By changing nutrient absorption and allocation, clipping affected the interaction between P. kansuensis and its host. Our results showed that host clipping significantly suppressed the growth of weedy P. kansuensis, but did not affect biomass accumulation in E. nutans. We propose that grazing (a dominant way of causing host damage in the field) may have a potential in the control against the weedy hemiparasite.
关键词	Chlorophyll Fluorescence Host-parasite Interaction Parasitic Weed Root Hemiparasitic Plant Weed Control
DOI	10.1007/s10265-015-0727-6
收录类别	SCI
语种	英语
WOS记录号	WOS:000356732300004
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/24951
专题	资源植物与生物技术所级重点实验室
推荐引用方式 GB/T 7714	Sui, Xiao-Lin,Huang, Wei,Li, Yun-Ju,et al. Host shoot clipping depresses the growth of weedy hemiparasitic Pedicularis kansuensis[J]. JOURNAL OF PLANT RESEARCH,2015,128(4):563-572.
APA	Sui, Xiao-Lin,Huang, Wei,Li, Yun-Ju,Guan, Kai-Yun,&Li, Ai-Rong.(2015).Host shoot clipping depresses the growth of weedy hemiparasitic Pedicularis kansuensis.JOURNAL OF PLANT RESEARCH,128(4),563-572.
MLA	Sui, Xiao-Lin,et al."Host shoot clipping depresses the growth of weedy hemiparasitic Pedicularis kansuensis".JOURNAL OF PLANT RESEARCH 128.4(2015):563-572.

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