两系杂交中籼稻新组合E两优78的选育与应用

Breeding and Application of a New Two-line Medium Indica Hybrid Rice Combination E Liangyou 78

E两优78是用两系不育系E农1S与恢复系R78配组育成的杂交中籼稻(Oryza sativa L.)新组合。该组合参加长江中下游中籼迟熟组区域试验,表现出产量高、米质较优、综合抗性较好、熟期适宜等特点,2018年8月通过国家农作物品种审定委员会审定,审定编号为国审稻20180101。介绍了E两优78的选育过程、特征特性、栽培及制种技术要点。

E Liangyou 78(E Nong 1S/R78)is a new two-line hybrid medium indica variety combined by PGMS line E-nong 1S and R78.The variety showed high yield,fine grain quality,comparatively good multiple resistance and suitable maturity in the late-maturing group for middle-season indica rice in the middle and lower reaches of the Yangtze River of the regional trial.It was registered and released to commercial production by the National Crop Variety Appraisal Committee of China in 2018(Guoshendao 20180101).The breeding process,characteristics,key technical points of cultivation and seed production of E liangyou 78 were introduced.