Full-Text Search:
Home|Journal Papers|About CNKI|User Service|FAQ|Contact Us|中文
《Journal of Agricultural University of Hebei》 2009-01
Add to Favorite Get Latest Update

Study on allelopathic substances releasing mode of Flaveria bidentis

FENG Jian-yong,TAO Bu,PANG Min-hao,LIU Ying-chao (College of Plant Protection,Agricultural University of Hebei,Baoding 071000,China)  
In order to study the allelochemicals releasing mode of Flaveria bidentis(L.) Kuntze,F.bidentis donor plant and radish,wheat,corn,cotton as receptor plants allelopathy actions of F.bidentis were studied by adopting indoor bioassay.The results showed that the volatile matter of F.bidentis had not allelopathy to four receptor plants.The eluviated matter inhibited seedling growth of cotton obviously,the inhibition ratio of root and stem were 6.29% and 10.42% respectively.The aqueous extract of litterfall and root exudates had different inhibition to four receptor plants.The synthesis effect(SE) of all treatments was significantly greater than eluviated matter treatment except for B3 of the aqueous extract of root exudates,such as the synthesis effect of all treatments(A1,A2,A3,B1,B2,B3 and eluviation) were 44.74,29.37,14.5,31.54,16.52,3.55,1.48 respectively.Results show that F.bidentis released allelochemicals to the environment mainly by litterfall and root exudates,secondly by eluviation.
【Fund】: 河北省科技支撑项目(08220201D);; 保定市科技攻关项目(07N11)
【CateGory Index】: S451
Download(CAJ format) Download(PDF format)
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.
©2006 Tsinghua Tongfang Knowledge Network Technology Co., Ltd.(Beijing)(TTKN) All rights reserved