高产优质抗逆粳型香稻品种津原U99的选育及栽培技术要点

津原U99是天津市优质农产品开发示范中心（原天津市原种场）育成的粳型香稻新品种,耐盐碱、耐旱、耐涝,综合抗逆性强,省肥省药;年度间产量和品质稳定,一般产量650.0 kg/667 m²,高产田可达750.0 kg/667 m²,品质达国标优质1级,食味品质优,直链淀粉含量14.9%,精米率74.1%。2019年被定为首批天津市小站稻产业振兴主推品种,2021年荣获“全国优良食味粳稻品评一等奖”。本文总结了其特征特性及高产栽培技术要点。

Breeding and Cultivation Techniques of Japonica Fragrant Rice Variety Jinyuan U99 with High Yield and High Quality

Jinyuan U99 is a new japonica fragrant rice variety bred by Tianjin High-quality Agricultural Products Development and Demonstration Center（Tianjin Original Seed Farm）. It has the characteristics of salt and alkali resistance, drought resistance, waterlogging resistance, comprehensive stress resistance, saving fertilizer and pesticides. The annual yield and quality of Jinyuan U99 are stable. The general yield is 650.0 kg/667 m², and it can reach 750.0 kg/667 m² in high-yield fields. Its rice quality met 1st class of National Standard, the taste is excellent, the amylose content is 14.9%, and the rice polishing rate is 74.1%. In 2019, it was designated as the first batch of the main varieties for the revitalization of Tianjin Xiaozhan rice industry. In 2021, it was awarded the first prize of the National Japonica Rice Appraisal. This paper summarizes its characteristics and high-yield cultivation techniques.