衡南县适种杂交中稻品种筛选

为筛选出适应衡南县种植的优质高产杂交中稻品种,引进16个近几年通过湖南省或者国家审定的水稻新品种进行了对比试验。结果表明,隆两优1377、隆两优1988、Y两优900、Y两优1998、隆两优97、荃优华占、隆两优1319、隆两优黄莉占、两优688、隆两优华占等品种分蘖力强、穗大粒多、产量高,可作为中稻品种在衡南县大面积推广种植;Y两优9918、梦两优黄莉占可适当引进种植;湘两优1号、C两优华占和Y两优696作中稻栽培生育期较短,产量较低,不建议在衡南县推广种植。

Screening of Suitable Mid-season Hybrid Rice Varieties in Hengnan County

In order to screen new mid-season hybrid rice varieties with high quality and high yield suitable for cultivation in Hengnan county,16 new rice varieties which passed provincial or national examinations in the last three years were introduced for comparative experiments.The results showed that Longliangyou 1377,Longliangyou 1988,Y Liangyou 900,Y Liangyou 1998,Longliangyou 97,Quanyou Huazhan,Longliangyou 1319,Longliangyou Huanglizhan,Liangyou 688 and Longliangyou Huazhan showed characteristics such as strong tillering ability,large panicle,more grains and high yield,which could be widely popularized as cultivation varieties of mid-season rice in Hengnan.Y Liangyou 9918 and Mengliangyou Huanglizhan were suitable for introduction and planting.Xiangliangyou No.1,C Liangyou Huazhan and Y Liangyou 696 were not recommended to plant in Hengnan county because of their short growth period and low yield.