节点文献
除草剂(草丁膦)抗性基因的遗传与利用
Genetic Study on the Herbicide (Liberty)Resistibility and Its Application on Utilizing Heterosis in Rice
【Abstract】 Threerestoringlines (Minghui 6 3,Ce 6 4andTeqing)asfemaleparentswerecrossedwithherbi cide_resistanttransgeniccultivars (Bengal_Hu10andGulfmont)asmaleparents .Geneticanalysisongenera tionsofF1,F2 andBC1indicatedthattheresistancetotheherbicide (Liberty)wascontrolledbyasingledomi nantnucleargene .Theresistancetotheherbicidewillworkasamarkerforthetruehybridfromcrossingwith themaleparent ,butnotforallotherplantsfromeitherselfing ,orintracrossinginfemaleparentpopulation . Aftertheapplicationoftheherbicide ,allplantsexceptthetruehybridwereeliminated .Withtheaidofthis technology ,thestrictrequirementofcompletesterilityformalesterilelineincropscanbereduced .Itwillbe beneficialnotonlyforbreedingnewexcellentmalesterilelines ,butalsoforcommercializingchemicallyin ducedmalesterilesystemincrops .
【Key words】 Heterosis; Seedproductionpurity; Herbicide_resistanttransgenicrestoringlines;
- 【文献出处】 植物学报 ,ACTA BOTANICA SINICA , 编辑部邮箱 ,1999年12期
- 【分类号】S188
- 【被引频次】56
- 【下载频次】273