文献类型: 外文期刊
第一作者: Rao, Yuchun
作者: Rao, Yuchun;Dong, Guojun;Zeng, Dali;Hu, Jiang;Zeng, Longjun;Gao, Zhengyu;Zhang, Guanghen;Guo, Longbiao;Qian, Qian;Rao, Yuchun;Dong, Guojun
作者机构:
关键词: rice (Oryza sativa L.);rice leaffolder;QTL analysis;conditional interaction
期刊名称:JOURNAL OF GENETICS AND GENOMICS ( 影响因子:4.275; 五年影响因子:5.223 )
ISSN: 1673-8527
年卷期: 2010 年 37 卷 5 期
页码:
收录情况: SCI
摘要: A double haploid (DH) population, which consists of 120 lines derived from anther culture of a typical indica and japonica hybrid 'CJ06'/'TN1', was used to investigate the genetic basis for rice leaffolder resistance. Using a constructed molecular linkage map, five QTLs for rolled leaves were detected on chromosomes 1, 2, 3, 4, and 8. The positive alleles from CJ06 on chromosomes 3, 4, and 8 increased the resistance to rice leaffolder, and the alleles from TN1 on chromosomes 1 and 2 also enhanced resistance to leaffolder. The interactions between QTLs were identified and tested, and four conditional interactions were acquired for resistance to rice leaffolder. These loci were located on chromosomes 2, 9, 10, and 11, respectively. QTL pyramiding indicated that the positive alleles affect resistance to leaffolder. The prospective application of this data in rice breeding was also discussed.
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