当前位置: 首页 > 文章 > 剑叶金鸡菊化感作用对白菜种子萌发和幼苗生长的影响 西南大学学报(自然科学版) 2009,31 (6) 88-91
Position: Home > Articles > The Effect of Allelopathy of Coreopsis lanceolata L. on Seed Germination and Seedling Growth of Chinese Cabbage Journal of Southwest University(Natural Science Edition) 2009,31 (6) 88-91

剑叶金鸡菊化感作用对白菜种子萌发和幼苗生长的影响

作  者:
曾建军;杨丽英;孙敏
单  位:
井冈山大学生命科学学院;西南大学生命科学学院;新余高等专科学校
关键词:
剑叶金鸡菊;提取液;白菜;化感作用
摘  要:
通过用剑叶金鸡菊根、茎、叶的不同浓度的抽提液处理白菜种子,分析它们对白菜种子萌发的化感作用.结果表明:除浓度为1∶60的茎提取液外,剑叶金鸡菊根、茎、叶抽提液均显著抑制白菜种子的萌发和幼苗的生长;剑叶金鸡菊器官抽提液的抑制强弱由强到弱依次表现为叶、根、茎.
译  名:
The Effect of Allelopathy of Coreopsis lanceolata L. on Seed Germination and Seedling Growth of Chinese Cabbage
作  者:
ZENG Jian-jun1,3,YANG Li-ying2,SUN Min31.College of Life Science,Jinggangshan University,Ji'an Jiangxi 343009,China;2.Xinyu College,Xinyu Jiangxi 338031,China;3.School of Life Science,Southwest University,Chongqing 400715,China
关键词:
Coreopsis lanceolata L.;extract;Chinese cabbage;allelopathy
摘  要:
The allelopathic effect of extract from the roots,stem and leaves of Coreopsis lanceolata L.at different concentrations on seed germination of cabbage(Brassica chinensis L.)was studied.The results showed that with the exception of leaf extract at 1∶60,all C.lanceolata extract treatments in the study restrained seed germination and seedling growth of cabbage.The restraining effect increased with extract concentration and appeared in the order of root > leaf > stem.

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