杂交稻聚两优2185烟后茬高产制种技术

High-yielding Seed Production Techniques of New Hybrid Rice Variety Juliangyou 2185 after Tobacco

聚两优2185是用RGD7S与福恢2185配组育成的杂交水稻新品种,2021年通过国家农作物品种审定。介绍了聚两优2185烟后茬高产制种技术措施:合理安排父母本播种差期,培育壮秧,科学水肥管理,培育父母本高产苗架,花期预测及调节,防治病虫害,及时喷施“九二○”、提高异交结实率,无人机赶花技术及要求,去杂保纯、确保种子质量。

A new hybrid rice variety Juliangyou 2185 was bred from the cross between the two-line sterile RGD-7S and restorer line Fuhui 2185.It was registered and released by the National Crop Variety Examination and Approval Committee in 2021.The technical measures of high yielding seed production after tobacco of Juliangyou 2185 was introduced,including reasonable arrangement of parent-based sowing difference period,cultivation of strong seedlings,scientific water and fertilizer management,cultivation of parent-based high yielding seedling rack,prediction and regulation of flowering period,prevention and control of diseases and pests,timely spraying“920”,improving outcrossing seed setting rate,Unmanned aerial vehicle(UAV)flower driving technology and requirements,removing impurities and maintaining purity and ensuring seed quality.