优质抗稻瘟病两系杂交稻新品种君两优318的选育

Breeding of New Two-line Hybrid Rice Variet Junliangyou 318 with Good Quality and Blast Resistance

君两优318是利用配合力强、中抗稻瘟病、米质较优的两系不育系君S作母本,以稻瘟病抗性好、配合力好、米质优的恢复系南恢318作父本配组育成的两系杂交稻新品种,其米质达部颁一等,中抗稻瘟病,2022年通过福建省农作物品种审定。介绍了君两优318的选育过程、特征特性、栽培及制种技术。

Junliangyou 318 is a new two-line hybrid rice variety bred by cross of the sterile line Jun S which showed good combining ability,moderate blast resistance,and good quality,and the restoer line Nanhui318 that showed good blast resistance,strong resilience,good combining ability,and good rice quality,its grain quality reached first-class ministerial standard.It was released by Fujian Provincial Crop Variety Approval Committee in 2022.The breeding process,characteristics,cultivation techniques and seed production techniques of Junliangyou 318 were introduced.