水稻新品种“吉农大23”选育报告

Report on Selection and Breeding of the New Rice Variety "Jinongda 23"

"吉农大23"水稻新品种是以"通88-7"为母本、"松粳3号"为父本进行有性杂交后经系谱法育成。2年区域试验和1年生产试验平均产量分别为8 406.0 kg/hm2和7 783.5 kg/hm2,分别比对照品种"长白9号"增产5.1%和8.9%。该品种于2008年1月通过吉林省农作物品种审定委员会审定,其主要特点是高产、抗病、优质,适宜吉林省中熟、中早熟稻作区种植,特别适宜吉林、通化、白城地区种植。

Jinongda 23, a new rice variety, was bred through crosses between tong 88-7 （ ♀ ） × songjing 3（ ♂ ） using pedigree technique. The mean yield of jinongda 23 was 8 406.0 kg/hm2 in the 2-year re- gional yield test. Its yield increased by 5.1% compared with the contrast variety. The mean yield of jinongda 23 was 7 783.5 kg/hm2 in the 1-year productive triM. Its yield increased by 5.1% and 8.9% compared with the contrast variety. Jinongda 23 was proved and released to the farmers by Jilin Evaluation Committee of Crop Variety in January 2008. The main characteristics of this variety are high yield, resistance to disease and good quality. It can be planted in middle-early mature region of Jilin province, especially, in Changchun, Jilin, Tonghua and Songyuan areas.