早籼两系杂交稻聚两优919在邵武市作烟后稻高产制种技术

High-yielding Seed Production Techniques as Post-tobacco of Early Indica Two-line Hybrid Rice Juliangyou 919 in Shaowu City

聚两优919是用RGD-7S与福恢919配组选育而成的早籼两系杂交稻新品种,在生产中表现熟期适宜、植株矮壮、株型适中、分蘖力强、有效穗数多、结实率高、丰产稳产性好、稻瘟病抗性强、后期熟色好、米质优及适应性广等特点,2020年通过福建省农作物品种审定。介绍了聚两优919亲本的特征特性及在福建省邵武市作烟后稻高产制种技术要点。

A two-line early indica hybrid rice variety Juliangyou 919 was derived from the cross between the two-line male sterile line RGD-7S and the restorer line Fuhui 919,and was certified by Fujian Crop Variety Appraisal Committee in June,2020.In production,the variety has the advantages of appropriate ripening period,shorter plants,moderate plant type,strong tillering ability,more effective panicles,high seed setting rate,good yield stability,strong blast resistance,good late ripening color,excellent rice quality and wide adaptability.The parents characteristics and the key points of high-yielding seed production techniques as post-tobacco of two-line hybrid rice Juliangyou 919 in Shaowu City,Fujian Province were introduced.