Effects of allelochemicals from tobacco root exudates on seed germination and seedling growth of tobacco

被引：0
|
作者：
Yu Huiyong [1 ]
Liang Hongbo [1 ]
Shen Guoming [1 ]
Sampietro, Diego A. [1 ]
Gao Xinxin [1 ]
机构：
[1] Chinese Acad Agr Sci, Tobacco Res Inst, Key Lab Tobacco Biol & Proc, Minist Agr, Qingdao 266101, Peoples R China
来源：
ALLELOPATHY JOURNAL | 2014年 / 33卷 / 01期
关键词：
Allelochemicals; allelopathic effects; continuous cropping; GC-MS; germination; organic acids; root exudates; seeds; tobacco;
D O I：
暂无
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
The composition of root exudates from two varieties (K 326 and NC 89) of tobacco were identified by GC-MS. Organic acids,amides and esters were the main constituents of the root exudates which differed in their qualitative and quantitative composition. Contents of cinnamic acid and nine other organic compounds was reduced in about 29% after 15 days of exposition to soil microflora. The effects of 6 organic acids (benzoic, cinnamic, lauric, myristic, palmitic and phthalic acids) identified into the root exudates of tobacco varieties were evaluated on seed germination of tobacco. The cinnamic and benzoic acids were the most inhibitory on seed germination.
引用
收藏
页码：107 / 119
页数：13
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