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题名: Effects of Ageratina adenophora on Spore Germination and Gametophyte Development of Neocheiropteris palmatopedata
作者: Zhang, K. M.1; Liu, J. H.1; Cheng, X.2; Zhang, G. F.3; Fang, Y. M.1; Zhang, H. J.
刊名: AMERICAN FERN JOURNAL
出版日期: 2012-07-01
卷号: 102, 期号:3, 页码:208-215
关键词: Ageratina adenophora ; Neocheiropteris palmatopedata ; spore germination ; gametophyte development ; allelopathic interaction
文章类型: Article
英文摘要: As one of the worst invasive alien plant species in China, Ageratina adenophora has caused serious economic losses and reduced the diversity of native species, possibly due to allelopathic interactions. However, we have little knowledge of its effects on ferns. In Petri dish bioassays, the effects of the aqueous leachates from roots, stems and leaves of A. adenophora on spore germination and gametophyte development of Neocheiropteris palmatopedata were investigated. All leachates inhibited spore germination and rhizoid growth of N. palmatopedata. Furthermore, the inhibitory effects increased with increasing leachate concentrations, and root leachates exhibited the greatest inhibition. Possible inhibitory causes are discussed in the present study. Additionally, the gametophytes of N. palmatopedata treated with the leachates of A. adenophora did not show morphological differences compared with the control. This result differs from previous studies investigating morphological changes in other fern species when associated with A. adenophora. Varying sensitivity of different fern species to the same allelochemicals of A. adenophora may partly be responsible for this difference.
类目[WOS]: Plant Sciences
研究领域[WOS]: Plant Sciences
关键词[WOS]: INVASIVE ALIEN PLANT ; RICE SEEDLINGS ; FERN ; ALLELOCHEMICALS ; LEACHATES ; MECHANISM ; SPRENGEL ; ROOT
收录类别: SCI
语种: 英语
WOS记录号: WOS:000310120500003
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/20089
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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作者单位: 1.Nanjing Forestry Univ, Coll Forest Resources & Environm, Nanjing 210037, Jiangsu, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Kunming 650201, Yunnan, Peoples R China
3.Yunnan Univ, Kunming 650091, Yunnan, Peoples R China
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