植物研究2013，Vol.33Issue(1)：86-90,5.DOI:10.7525/j.issn.1673-5102.2013.01.014
4种植物水浸提液对乌丹蒿的化感作用研究
Allelopathy of Aqueous Extracts from Four Species Plants on Artemisia wudanica
摘要
Abstract
Sand-fixing pioneer plant Artemisia wudanica that distributed in the western part of Horqin sandy land showed a declining trend in recent years. Three main aerial seeding plants A. sphaerocephala, Caragana korshinskii, Hedysarum leave and A. wudanica itself were selected to study allelopathy. The results showed that: the aqueous extracts of three aerial seeding plants and A. wudanica itself all had different allelopathy on the growth of A. wudanica, and allelochemicals in different parts (root, leaf, peel or bracts) had different functions. Furthermore, the germination rates of A. wudanica seeds in the root aqueous extracts of all donor plants were significantly declined except H. leave. A. sphaerocephala bracts and H. laeve peel aqueous extracts also had the same result, while the leaf extract of A. wudanica had promoting effect. The aqueous extracts from different parts of four species had obvious inhibitory effects on A. wudanica seed germination speed and root growth. By synthetical effect, four species all had inhibitory effects, the order of inhibitory effects from strong to weak was as follows; A. sphaerocephala ＞ C. korshinskii ＞ A. wudanica ＞ H. laeve.关键词
乌丹蒿/化感作用/飞播植物/水浸提液Key words
Artemisia wudanica/ allelopathy/ aerial seeding plant/ aqueous extracts分类
农业科技引用本文复制引用
温都日呼,王铁娟,韩文娟,代亭亭..4种植物水浸提液对乌丹蒿的化感作用研究[J].植物研究,2013,33(1):86-90,5.基金项目
国家自然科学基金(31160130),内蒙古自治区自然科学基金(2011MS0524)资助 （31160130）
