Full-Text Search:
Home|Journal Papers|About CNKI|User Service|FAQ|Contact Us|中文
Add to Favorite Get Latest Update

Utiliaztion of Ecotypic Male Sterile Line in Rape

Baocheng Hu et al(Crop Research Insitute,Anhui Academy of Agricultrual Sciences,Hefei 230031,P.R.China)  
The possibiltities of rape(B.rassica campestris)ecotypic male sterile(EMS)used as two-line(male sterile for F1hybridseed producing and inbreeding line for male sterile line reproducing)and as vegetable and oilseed crop ware studied by differentsowing stages and flower stem picking.The results showed that the EMS line,sown at the beginning of November in Hefei,hadlonger duration of sterility during flowering period and could be crossed with the restorers to produce F1 hybrid seed.The initialflowering stages of the sterile line could,.be postponed for 12 days ,and also shorter duration of sterility and linger duration of fertility which could be used for reproducing EMS line could be reached if the flower stem was picked before flowering stage.Theflower stem picking only had a little effect on the yield and other economic characters as compared with DC,but3-4,5t/hm1 fresh vegetable could be supplied.The qualitative characters between the EMS line and Brassica vegetable were analysed and compared.The comprehensaive benefit in multiple croping system(rice-rice-brassicas during a year )in the south of China was discused.
【CateGory Index】: S634.301
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