“水葡萄”是蕲春县丘陵山区栽培历史悠久的水稻地方品种,传说是历史上的贡米。具有耐寒、适应性强、米质优等特点。但秆高(株高180—200cm),生育期长,不耐肥,易倒伏,产量低。1986年开始,用~(60)Coγ射线40kR 辐照处理和花药培养对该品种进行改良。1980年已获得株高140cm(作一季稻种植)、茎秆粗壮、抗倒性较强的矮秆新类型。 “Grapes of water” is a local variety of rice cultivated in hilly and mountainous areas of Hunchun County, and is said to be the historical Gongmi. With cold, adaptable, excellent quality and other rice. However, stalk height (height 180-200cm), long growth period, not fattening, easy to lodging, low yield. Beginning in 1986, the variety was modified with ~ (60) Coγ-ray irradiation at 40kR and anther culture. In 1980, a new type of dwarf with a height of 140 cm (for one-season planting of rice), stalks with strong lodging and lodging resistance was obtained.