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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

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【作者】 黎垣庆; 刘刚; 严文贵; 许秋生;

【Author】 LIYuan_Qing 2 LIUGang 3YANWen_Gui 1XUQiu_Sheng 1 (SouthChinaInstituteofBotany ,TheChineseAcademyofSciences ,Guangzhou 5 10 65 0 ) 2 (ChengduInstituteofBiology ,TheChineseAcademyofSciences,Chengdu 610 0 41) 3(Yan’sHeterosisandHerbicideIncorporation

【机构】 中国科学院华南植物研究所!广州510650; 中国科学院成都生物研究所!成都610041; 严氏杂种优势与除草剂公司!美国斯图加特AR72160;

【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 .

  • 【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
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