青蒿化感作用的初步研究

Preliminary Studies on the Allelopathic Effects of Artemisia annua

对青蒿Artem isia annua地上部分乙醇提取物的化感作用进行了初步研究.结果表明,乙醇提取物对萝卜Ra-phanus sativa、菜心Brassica parachinensisL.cv.Apr.-Sep.O il G reen、大白菜Brassica perkinensis(Lour.)Rupr.cv.M aye和水稻O ryza sativa具有不同程度的抑制作用,随着溶液浓度增大抑制作用增强,且对种子萌发和根长生长的抑制作用大于对苗长生长的抑制作用.其中干物质质量浓度为0.100 g.mL-1的青蒿乙醇提取物溶液对菜心、大白菜的种子萌发、幼苗生长和根长生长抑制作用最为明显.

To evaluate of the perspective of application of Artemisia annua in plant protection, here was a study on the allelopathic effects of Artemisia annua. The results indicated the 0. 100 g · mL^-1 alcohol extracts from Artemisia annua had inhibitory effects on the germination, seedling growth and roots growth of Raphanus sativa , Brassica parachinensis ,Brassica perkinensis and Oryza sativa.