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

    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 and BC1F6 lines of the cross Xieqingzao B//Xieqingzao B/Dongxiang wild rice. A resistant line identified from the BC1F6 population was crossed to photo-thermo-sensitive genic male sterile line (PTGMS) C47S. Six PTGMS lines which were resistant 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 controlled by quantitative trait loci.

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History
  • Received:March 12,2014
  • Revised:April 08,2014
  • Adopted:December 11,2014
  • Online: January 04,2015
  • Published:
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