超高产耐盐碱优质水稻新品种东稻4的选育及应用

Breeding and Extension of Superior High Yield Rice Variety Dongdao 4 with Salinity-Sodium Tolerance and Good Quality

本文对水稻新品种东稻4的选育经过、吉林省水稻区试产量、稻瘟病鉴定、耐盐碱性、稻米品质等方面进行了详述,指出东稻4是集高产、耐盐碱、优质、多抗为一体的水稻新品种。自2010年审定至今,累计推广712万亩,创经济效益8.2亿元。

In this paper, we give a detail description of the breeding procedures, regional trails in Jilin P^ovince, screening for salinity and sodium tolerance and grain quality for Dongdao 4, a newly released rice variety. It was concluded that Dongdao 4 is a superior new rice variety integrated high yield with salt-sodium tolerance, high quality and multi- resistances. The cumulative planting area has been extended to 7.12 million mu and produced cash value of 820 million yuan since the new variety was released in 2010.