抗南方水稻黑条矮缩病水稻光温敏核不育系的筛选和鉴定  

Screening and Identification of Photo-Thermo-Sensitive Genic Male Sterile Lines against Southern Rice Black-Streaked Dwarf Virus

作　　者：余守武[1,2] 范天云[1,2] 杜龙岗[1,2] 黄益峰[1,2] 陈珊宇[1,2] 葛帅 麻人方 洪晓富[1,2] 阮关海[1,2] 

机构地区：[1]浙江省农业科学院作物与核技术利用研究所,杭州310021 [2]浙江农科种业有限公司,杭州310021

出　　处：《植物遗传资源学报》2015年第1期163-167,共5页Journal of Plant Genetic Resources

基　　金：浙江省公益性技术应用研究计划(2012C22016)

摘　　要：对东乡野生稻(Oryza rufipogon Griff.)3个生态群落株系及协青早B//协青早B/东乡野生稻的BC1F6株系进行了南方水稻黑条矮缩病抗性鉴定,筛选出抗性较好的种质资源。利用筛选到的协青早B//协青早B/东乡野生稻抗性株系,与光温敏核不育系C47S杂交转育,鉴定筛选到6份抗性较好的光温敏核不育系,为选育抗南方水稻黑条矮缩病的两系杂交稻组合奠定了材料基础;同时研究发现,来源于东乡野生稻的对南方水稻黑条矮缩病的抗性可能由数量性状基因控制。Rice germplasm for the resistance to southern rice black streaked dwarf virus （SRBSDV）was screened from rice lines of three ecological populations of Dongxiang wild rice （ Oryza rufipogon Griff. ） and BCt F6 lines of the cross Xieqingzao B//Xieqingzao B/Dongxiang wild rice. A resistant line identified from the BC1 F6popu- lation was crossed to photo-thermo-sensitive genic male sterile line（PTGMS） C47S. Six PTGMS lines which were re- sistant or moderate resistant to SRBSDV were selected. It was also found that the SRBSDV resistance was normally distributed in the segregating populations, indicating that the resistance to SRBSDV in Dongxiang wild rice was con- trolled by quantitative trait loci.

关 键 词：水稻 南方水稻黑条矮缩病 抗源筛选 光温敏核不育系 

分 类 号：S511.9[农业科学—作物学]