Glutinous rice restorer line Nuohui 6211 with high combining ability and multiple resistance bred by combination of irradiation and cross methods

The glutinous rice restorer Nuohui 6211 was bred from the irradiation of the F1 seeds. The restorer has the characteristics of high stability of trait performance, highly resistant to biotic or abiotic stresses, and high combining ability. It has been passed the provincial evaluation of field performance test in spring of 2010. The hybrid rice Nuoyou 6211 between N2A and Nuohui 6211 yielded 8335.5 kg/hm2 in 2008 and 8230.5 kg/hm2 in 2009 in the regional trial of Guizhou province in the glutinous rice group with yield increase by 21.5% and 19.54% respectively over the check variety Long Hu He. Nuoyou 6211 was examined and approved to release by the Variety Examination and Approval Committee of Guizhou Province in July, 2010. (authors)