Breeding of a new rice variety Xue-hua-xin-zhan with high yield and diseases resistance

Xue-hua-xin-zhan was a new photoperiod-insensitive Indica rice variety bred by crossing feng-si-zhan/xin-nong-zhan with feng-si-zhan/xue-hua-zhan and after several generations selecting in Rice Research Institute, Guangdong Academy of Agricultural Sciences. In two years different site field test of Guangdong province, the result showed that Xue-hua-xin-zhan 's average yield was421.72 kg and 456.78 kg/667m2respectively, decreased by 1.32% and 1.64% respectively in comparison with the check variety You-you-128, but not significant. Its grain quality didn't reach the scales of high quality paddy in national standard, and it had the resistance to the blast and mid-resistance to the bacterial leaf blight disease. It was permitted to release by Crop Examine and Approve Committee of Guangdong province in January 2012.