水稻新品种东研稻20选育及栽培技术要点

Key Points of Breeding and Cultivation Technology of New Rice Variety Dongyandao-20

东研稻20是东港市示范繁殖农场以港源8号与辽粳9号杂交子一代为母本、盐丰47为父本,经有性杂交选育而成的中晚熟水稻新品种。该品种生育期158 d,株型理想,抗病抗倒,高产稳产。东研稻20适宜在辽宁省沈阳以南中晚熟稻区种植,栽培上应做好药剂浸种、适时播插,重视壮秧稀植、平衡施肥、病虫害防治,收获前适当晚断水。

Dongyandao-20 is a new rice variety of middle and late maturity,which was bred by sexual hybridization with the first generation of the hybrid of Gangyuan-8 and Liaogeng-9 as female parent and Yanfeng-47 as male parent in Donggang demonstration breeding farm.The growth period of this variety is 158 d,the plant type is ideal,disease resistance and fall resistance,high and stable yield.Dongyandao-20 is suitable for planting in the middle and late maturing rice area south of Shenyang,Liaoning Province.In cultivation,we should do a good job in medicated seed soaking,timely sowing,pay attention to thin planting of strong seedlings,balanced fertilization,disease and pest control,and cut off water properly before harvest.