广西植物Issue(3)：362-368,7.DOI:10.3969/j.issn.1000-3142.2014.03.015
三七自毒与化感作用初步研究
Preliminary study on autointoxication and allelopathy of Panax notoginseng
摘要
Abstract
Germination and early seedling growth bioassays were used to assess the autointoxication and allelopathy potential of Panax notoginseng which served as donors and P .notoginseng,wheat (Triticum aestivum),rape(Bras-sica campestris )as receptors.The results were as follows:(1)the autointoxication of P .notoginseng appeared some differences in different density,but showed no obvious regularity.The exudates from seed germination of P .notogin-seng inhibited seed germination rate,germination index and seedling height of rape;(2)The allelopathic effects of wa-ter extract of P .notoginseng differed among receptors.The wheat showed different promotion or inhibition which mainly manifested in the seedling fresh weight,seedling dry weight,root fresh weight,root number of wheat growth. The water extract inhibited the germination rate,promoted the seedling fresh weight,seedling dry weight,root fresh weight,root length of rape;(3)The allelopathy and autointoxication of P .notoginseng was obvious,the substances may be an important factor affecting the continuous cropping.关键词
三七/水浸液/自毒作用/化感作用Key words
Panax notoginseng/water extract/autointoxication/allelopathy分类
农业科技引用本文复制引用
拱健婷,张子龙,王雄飞,刘凤波,赵志刚..三七自毒与化感作用初步研究[J].广西植物,2014,(3):362-368,7.基金项目
国家自然科学基金(81102751) （81102751）
