香型中籼杂交水稻永两优206品种选育及高产栽培技术

Breeding and high yield cultivation techniques of Yongliangyou 206 hybrid rice with fragrant type

水稻品种永两优206是由7-163S与贵非香占杂交育成,其株型紧凑、叶姿直立,生长态势旺盛;稻米品质达到NY/T 593—2013《食用稻品种品质》二级标准;抗倒、耐热性良好。在2020—2021年的区域试验中,该品种平均产量9325.6 kg/hm^(2);2022年生产试验平均产量8953.8 kg/hm^(2)。该品种具有产量高、米质优、食味香且抗性强等综合特性,可在安徽一季稻区及相似区域推广种植。其高产栽培技术包括严格选种浸种、确保功能穗达成、构建群体丰产性和适期收获等,高效制种技术包括安全制种、花期调整和发芽率提升等。研究结果为该品种制种和推广种植提供参考。

The rice variety Yongliangyou 206 was developed by crossbreeding 7-163S with Guifei Xiangzhan.It has a compact plant shape,upright leaf posture,and vigorous growth trend.The rice variety meets the second level standard of NY/T 593-2013“Quality of Edible Rice Varieties”.Good anti overturning and heat resistance.In the regional trials from 2020 to 2021,the average yield of this variety was 9325.6 kg/hm^(2),the average yield of the production trial in 2022 was 8953.8 kg/hm^(2).This variety has comprehensive characteristics such as high yield,excellent rice quality,delicious taste,and strong resistance,it can be promoted and planted in the first season rice area and similar areas in Anhui Province.The high-yield cultivation techniques for its include strict selection and soaking of seeds,ensuring the achievement of functional panicles,constructing a population with high yield and suitable harvest time,etc.The efficient seed production techniques include safe seed production,flower time adjustment and germination rate increased.The research results provide reference for seed production and promotion of planting of this variety.