Full-Text Search:
Home|Journal Papers|About CNKI|User Service|FAQ|Contact Us|中文
《Journal of Shandong Agricultural University(Natural Science Edition)》 2007-01
Add to Favorite Get Latest Update

SYNTHESIS AND GENETIC ANALYSIS OF TRIGENERIC HYBRID INVOL VING TRITICUM,LEYMUS AND THINOPYRUM

SHAO Bin~1 LI Xingfeng~1 WANG Xiuqin~2 WANG Honggang~1 (Agronomy College,Shandong Agricultural University,Shandong Taian 271018;2.Zao Zhuang Agricultural Science Academy,Shandong Zaozhuang,277300,China)  
The trigeneric hybrid involving Triticum,Leymus and Thinopyrum has been created by the cross be- tween Octoploid Tritileymus and Octoploid Tritithinopyrum,and the morphology,fertility and cytology of the F_1 hybrids was studied.The results shows that it is easy to create the trigeneric hybrid while the Tritileymus as fe- male parent,and the rate of hybridfertility is 20.8% on average.F_1 hybrid has the morphological feature which is between the male and female parents and showed strong heterosis,exuberant vitality,late ripe period and low rate of self-fertility.The average chromosome configuration of F_1 in PMC MI was 18.58Ⅰ+18.59Ⅱ+0. 085Ⅲ+0.028Ⅳ.At anphaseⅠin PMC,some laggard chromosomes arranged in equatorial plate.Micronu- eleus and a lot of abnormal cells can be observed at dyad,tetrad and microspore.The fertility of pollen F_1 of tri- generic hybrid is low.
【Fund】: 国家自然科学基金(30270826);; 山东农业大学大学生科研训练项目(SRT)计划资助(0301001)
【CateGory Index】: S512.1
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