摘要
通过花药培养选育出ＲＷ０２，ＲＷ０４，ＲＷ０７，ＲＷ０８，ＲＷ０９，ＲＷ１１等６个抗白粉病小麦新品系。其中以ＲＷ０２的杂交组合ＣＡ８６４６／贵农８８－１的培养能力最强，平均每百个花药再生绿苗１．９４株。用美国、德国和英国的１７个白粉病菌系和２１个已知基因品系对上述６个小麦新品系进行抗性基因推导，发现ＲＷ０４、ＲＷ０７携带有Ｐｍ２基因，ＲＷ０２、ＲＷ０８和ＲＷ０９携带有Ｐｍ４ａ基因，而ＲＷ１１可能有一个新基因，尚需与Ｐｍ１８基因进行比较，才能最后确认。
The anthers of four F 1 Hybrids of common wheat,Fengkang 13/Guinong 87 39,CA8646/Guinong 88 1,CA8695/Guinong 88 1,Jing 411/14 th 007,were cultured in vitro.Six wheat new lines resistant to powdery mildew were obtained,that is RW02,RW04,RW07,RW08,RW09,and RW11.Ability to culture of the cross CA8646 with Guinong 88 1 was the best in the four crosses. 1.94 green plants were obtained in 100 anthers.The resistance of new lines to 17 isolates of Blumeria graminis f.sp. tritici was identified in the six new wheat lines and compared with 21 rcsistance lines with known genes from Pm1 to Pm21.The results showed that the RW04 and RW07 have Pm2 gene,RW02,RW08 and RW09 carry Pm4a.RW11 carries a new resistance gene.
出处
《植物病理学报》
CAS
CSCD
北大核心
1998年第3期209-213,共5页
Acta Phytopathologica Sinica
基金
国家"八五"攻关
关键词
小麦
品种
抗白粉病
抗性基因
选育
Wheat powdery mildew Resistant Gene postulation Anther culture
