耐盐碱优质水稻新品种“东稻12”选育报告

Breeding Report of a New Salt-tolerant and Good-quality Rice Variety “Dongdao 12”

水稻新品种"东稻12"是以"吉粳88"为母本、以"自选系27"为父本,通过人工有性杂交,采用系谱法选育而成。2年区域试验平均产量分别为8 822. 9 kg/hm2和8 896. 0 kg/hm2,比对照品种"吉玉粳"分别增产5. 2%和6. 5%,1年生产试验平均产量8 978. 1 kg/hm2,比对照品种"吉玉粳"增产7. 3%。"东稻12"农艺性状优良,产量高,抗稻瘟病,耐盐碱,品质优良,活秆成熟。2017年1月通过吉林省农作物品种审定委员会审定,该品种适宜在吉林省四平、吉林、长春、通化、辽源、延边等中熟稻区种植。

After years＇ selection,a new rice variety,＂dongdao 12＂,has been obtained from the crossing between ＂jijing 88＂（ female） and ＂inbred line 27＂（ male） using pedigree technique. The results of the 2-year regional trials showed that its yield（ 8 822. 9 kg/hm2,8 896. 0 kg/hm2） increased by 5. 2% and 6. 5% compared with the control variety（ ＂jiyujing＂）,respectively. The results of the 1-year production trials showed that its yield increased by 7. 3%. It was of excellent agronomic characters,high yield,resistance to blast,saline tolerance,fine quality,and green stem ripen. It was examined and approved by Jilin Provincial Variety Examination and Approval Committee in January 2017. It suits to be planted in the regions of Siping,Jilin,Changchun,Tonghua,Liaoyuan,Yanbian,etc.