水稻新品种乌兰1号选育技术报告

Breeding Technology Report of New Rice Variety Wulan 1

水稻新品种乌兰1号(松辽1508)是公主岭市松辽农业科学研究所以早锦品种为母本,众禾一号品种为父本,品种间有性杂交,经系谱法育成。生育期136 d,需≥10°C有效活动积温2700℃以上。2 a内蒙古自治区区域试验平均产量592.5 kg/667 m^2,比对照(CK)品种吉玉粳增产3.9%,1 a生产试验平均产量600.5 kg/667 m^2,比对照(CK)品种吉玉粳增产12.9%。抗稻瘟病综合表现为抗(R),抗纹枯病、稻曲病及二化螟虫,较耐寒、较抗盐碱,稻米品质达国标二级优质米标准。适于在北方稻区早粳晚熟品种生态区域种植。

The new rice variety Wulan 1(Songliao 1508)was bred by genealogy with Zaojin variety as the female parent and Zhonghe 1 as the male parent.During the growth period of 136 days,the effective accumulated temperature of activity should be more than 2700℃(≥10°C).The average yield of regional test in Inner Mongolia is 592.5 kg/667 m^2,which is 3.9%higher than that of CK variety Jiyugeng.The average yield of production test is 600.5 kg/667 m^2,which is 12.9%higher than that of CK variety Jiyugeng.The comprehensive performance of resistance to rice blast disease is resistance(R),resistance to sheath blight,rice curl disease and second-class borers,more cold-resistant and salt-alkali resistant,and the rice quality reaches the national standard of second-class high quality rice.It is suitable for planting early japonica and late ripening varieties in northern rice area.