入侵植物紫茎泽兰化感作用及其途径研究

doi:10.3724/SP.J.1143.2011.10168

Plant Diversity ›› 2011, Vol. 33 ›› Issue (2): 209-213.DOI: 10.3724/SP.J.1143.2011.10168

入侵植物紫茎泽兰化感作用及其途径研究

杨明挚, 吕霞, 张婷, 杨晨, 李文君, 史云涛, 张汉波

云南大学生命科学学院，云南昆明 650091

收稿日期:2010-10-08 出版日期:2011-04-25 发布日期:2010-12-07
基金资助:
The Department of Science and Technology of Yunnan Province, China (2007PY01-24) and The National Science Foundation of China (30560033, 30960077)

Allelopathic Potential and Pathway of an Invasive Weed Eupatorium adenophorum (Asteraceae)

YANG MIng-Zhi, LV Xia, ZHANG Ting, YANG Chen, LI Wen-Jun, SHI Yun-Thao, ZHANG Han-BO

School of Life Science, Yunnan University, Kunming 650091, China

Received:2010-10-08 Online:2011-04-25 Published:2010-12-07
Supported by:
The Department of Science and Technology of Yunnan Province, China (2007PY01-24) and The National Science Foundation of China (30560033, 30960077)

摘要/Abstract

摘要：

紫茎泽兰广泛入侵中国西南地区，研究结果表明化感作用是其入侵的重要武器，但其化感作用的途径并不十分清楚。本研究中，我们发现紫茎泽兰可以通过多种途径对两种栽培植物大麦和玉米的生长产生化感作用，这些途径包括了叶挥发物、叶淋溶物以及根分泌物。并且在紫茎泽兰幼苗早期就可以检测到这些化感作用。然而，没有实验证据表明紫茎泽兰落叶的微生物降解物对两种测试植物具有化感作用。

关键词: 化感途径, 紫茎泽兰, 入侵植物

Abstract:

Crofton weed (Eupatorium adenophorum) is one of the most notoriously invasive plants in China. Allelopathy has been considered to play an important role for population spread. In this study, we demonstrate that this weed has strong adverse effects on two agronomic cultivars, barley and maize, through a variety of allelopathic pathways including volatiles, leachates and root exudates. The allelopathic effect was even detected in early growth stages of the weed. However, there was no evidence to indicate that allelochemicals in dead leaf tissue either persisted or converted into new allelochemicals by naturally colonizing phyllosphere microbes.

Key words: Allelopathic pathways, Eupatorium adenophorum, Invasive plant

中图分类号:

Q 945

杨明挚, 吕霞, 张婷, 杨晨, 李文君, 史云涛, 张汉波. 入侵植物紫茎泽兰化感作用及其途径研究[J]. Plant Diversity, 2011, 33(2): 209-213.

YANG MIng-Zhi, LV Xia, ZHANG Ting, YANG Chen, LI Wen-Jun, SHI Yun-Thao, ZHANG Han-BO. Allelopathic Potential and Pathway of an Invasive Weed Eupatorium adenophorum (Asteraceae)[J]. Plant Diversity, 2011, 33(2): 209-213.

参考文献

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入侵植物紫茎泽兰化感作用及其途径研究

Allelopathic Potential and Pathway of an Invasive Weed Eupatorium adenophorum (Asteraceae)

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