优质香稻新品种龙稻209的选育及栽培技术

Breeding Process and Cultivation Technology of A New Fragrant Rice Variety Longdao 209 with High Quality

为促进优质香型粳稻新品种推广,简要介绍香稻新品种龙稻209的选育过程、特征特性、产量表现及其栽培技术。龙稻209是黑龙江省农业科学院耕作栽培研究所以母本龙稻21、父本龙香稻2号,系谱选育而成的优质香稻品种。2020^(-2)021年区域试验平均产量7698.0 kg·hm^(-2),较对照品种哈粳稻2号增产6.6%;2021年生产试验平均产量7869.8 kg·hm^(-2),较对照品种哈粳稻2号增产6.5%。2021年2月3日,龙稻209获得植物品种权申请号(20211001119);2022年6月20日通过黑龙江省农作物品种审定委员会审定(黑审稻20220047)。该品种生育日数142 d左右,需≥10℃活动积温2700℃左右。

In order to promote the popularization of new fragrant rice(Oryza saliva subsp.Geng)varieties with high quality,this paper briefly introduced the breeding process,characteristics,yield performance and cultivation techniques of Longdao 209,a new fragrant rice variety.Longdao 209 is a high-quality fragrant rice variety selected by the Institute of Farming and Cultivation of Heilongjiang Academy of Agricultural Sciences through the pedigree method of female parent Longdao 21 and male parent Longxiangdao 2 from 2020 to 2021,the average yield of the regional test was 7698.0 kg·ha^(-1),which was 6.6%higher than that of the control variety Hagengdao 2;The average yield of the production test in 2021 was 7869.8 kg·ha^(-1),which was 6.5%higher than that of the control variety Hagengdao 2.On February 3,2021,Longdao 209 obtained the plant variety right application number(20211001119);On June 20,2022,it was approved by the Heilongjiang Provincial Crop Variety Approval Committee,and the approval number was Heishen 20220047.The growth days of this variety are about 142 days,and the active accumulated temperature of≥10℃is about 2700℃.