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牛膝菊对黄山乡土植物柔毛水杨梅的化感作用(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2012年04期
Page:
145-148
Column:
研究简报
publishdate:
2012-07-31

Article Info:/Info

Title:
Allelopathy of invasive plant of Galinsoga parviflora on the seeds of Geum japonicum var. chinense from Huangshan
Author(s):
WANG Xiaofei1QIAN Qianyuan1 WANG Chuanyou2 WU Lei3 WANG Jiahuan1
1.College of Life and Environment Sciences, Huangshan University, Huangshan 245041, China; 2.Landscape Bureau of Mt. Huangshan, Huangshan 242709, China; 3.School of Forestry & Landscape Architecture, Anhui Agricultural University, Hefei 230036,Chin
Keywords:
Galinsoga parviflora Geum japonicum var. chinense invasive plant allelopathy
Classification number :
S763
DOI:
10.3969/j.jssn.1000-2006.2012.04.030
Document Code:
A
Abstract:
The effects of leaching water extracted from the root, stem, and leaf of the invasive plants of Galinsoga parviflora on the seeds of the local plants Geum japonicum var. chinense were studied in this paper. The results showed that: the leaching water from different organs inhibited the rate and speed of seed germination of G. japonicum var. chinense and as the concentration of leaching water increased, the suppression increased, while the inhibition effect of the leaching water from different organs was different. The inhibition effect achieved the peak when the concentration of the leaching water of shoots, leaves and roots were 0.1 g/mL, 0.1 g/mL and 0.08 g/mL,respectively. When the concentration of the leaching water from all organs was less than 0.1 g/mL, the suppression increased as the concentration of the leaching water increased. However, when the concentration of leaching water extracted from shoots and leaves reached 0.02 g/mL, the leaching water would accelerate the germination. Our study showed that the inhibition effect was the result of several compound acted together.

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Last Update: 2012-07-07