三七水浸液对不同玉米品种的化感作用  

Allelopathic effects of aqueous extracts from Panax notoginseng on three maize varieties(Zea mays)

作　　者：张子龙[1] 侯俊玲[1] 王文全[2] 张志信[3] 张仕秀[3] 

机构地区：[1]北京中医药大学中药学院,北京100102 [2]中国医学科学院北京协和医学院药用植物研究所,北京100193 [3]文山学院生化系,云南文山663000

出　　处：《中国中药杂志》2014年第4期594-600,共7页China Journal of Chinese Materia Medica

基　　金：国家自然科学基金项目(81102751);国家科技支撑计划项目(2006BAI09B03)

摘　　要：利用不同浓度三七茎叶、根水浸液对三七产区常见作物玉米的3个不同类型品种进行化感作用生物测定,结果表明:①三七茎叶对玉米的化感作用强于根部;②玉米幼苗生长阶段比种子萌发阶段更易受到化感物质的影响,玉米的地下部分比地上部分更为敏感;③常规品种白糯1号对三七化感作用的敏感性最强,杂交种云瑞1号和鲁三3号的敏感性较弱,更适合与三七轮作。It has been showed that there were obvious obstacle effects of Panax notoginseng replanting. Crop rotation was the main effective technique to overcome the obstacle. To find a reasonable crop rotation system for P. notoginseng, aqueous extracts from root, stem and leaf of P. notoginseng were analyzed for allelopathic effect on three maize varieties （ which are often grown in regions where P. notoginseng grown）. The main results were as follows ： （1）Allelopathic effect of P. notoginseng stem and leaf extracts on the three other tested plants was stronger than that of root extracts ; （2）Corn was more vulnerable to the effects of allelochemicals at seedling stage than at germination stage, and the corn root was more sensitive than aerial part to allelochemicals ; （3）Lusan No. 3 and Yunrui No. 1 showed resistance to P. notoginseng allelopathy, with respective comprehensive sensitivity indexes （M3） of -0. 089 3 and -0. 159 2, while Bainuo No. 1 is sensitive at M3 = -0. 261 0. It then can be concluded that Lusan No. 3 and Yunrui No. 1 may be an alternative rotation plants for overcoming P. notoginseng continuous cropping obstacle.

关 键 词：三七 玉米 水浸液 化感作用 轮作 

分 类 号：S567.236[农业科学—中草药栽培] S513[农业科学—作物学]