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Allelopathic Effects of Soybean Root Extracts on Seed Germination and Seedling Growth of Tumorous Stem Mustard (Brassica juncea var-tumida)(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2016年01期
Page:
74-79
Research Field:
Publishing date:

Info

Title:
Allelopathic Effects of Soybean Root Extracts on Seed Germination and Seedling Growth of Tumorous Stem Mustard (Brassica juncea var-tumida)
Author(s):
ZHOU Xian-rong1; 2;  JIANG Bo1; 2;  GONG Xiao-hua1;  XIAO Chun-hong1;  XIONG Ting-ting1;  ZHOU Lin1;  NIU Xian-yu1
1.College of Life Science and Technology, Yangtze Normal University, Fuling 408100, China;
2. Research Center for Development and Utility of Unique Resources in the Wulingshan Region, Fuling 408100, China
Keywords:
Soybean;  Tumorous stem mustard;  Seed germination;  Seedling growth;  Allelopathy
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2016.01.0074
Abstract:
The allelopathic effects of different concentrations of aqueous extract of soybean roots on seed germination and seedling growth of three varieties of tumorous stem mustard were studied indoors using a bioassay method.The results showed that the soybean root extracts had significantly allelopathic effects on tumorous stem mustard, it included three different types of allelopathy, promotion, inhibition, low-promoting and high-inhibiting.What’s more, it was relevant to the varieties of tumorous stem mustard, concentration of aqueous extracts. The different concentrations of soybean root extracts had allelopathic promotion on the seed germination of Yonganxiaoye and Fuza 2, but the seed germination of Fuza 5 exhibited low-promoting and high-inhibiting. The soybean root extracts exhibited inhibitory effects on the root length of Fuza 2, but the root length of Yongan xiaoye and Fuza 5 exhibited low-promoting and high-inhibiting. The seedling height and biomass of three varieties were promoted by all test concentrations, and increased with the increase of the concentration. According to the synthetic allelopathic effects, soybean root extracts had allelopathic promotion effects on the three varieties of tumorous stem mustard in general, and the promotion effect of Yonganxiaoye is the most obvious.Therefore, Yonganxiaoye is the best variety planting after soybean.

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Last Update: 2016-01-29