D汕优63,是福建省尤溪县管前乡农技站农艺师刘文炳1983年用D汕A ×明恢63配制的杂交水稻新组合。1984、1985年,该组合在四川、湖南、江西、浙江、广东等省和福建省尤溪等8个县示范种植,表现出分蘖力强、有效穗多、丰产性能好、抗病高产等优势。目前,全国示范面积约55万亩。1984 D Shanyou 63 is a new hybrid rice combination developed by Liu Wenbing, an agronomist at Agricultural Science and Technology Station Guanzhong Township, Youxi County, Fujian Province in 1983 with D Shantao A × Minghui63. In 1984 and 1985, the combination was planted in 8 counties in Sichuan, Hunan, Jiangxi, Zhejiang, Guangdong and Fujian Provinces, and especially in eight counties of Fujian Province, demonstrating the advantages of strong tillering ability, effective spikes, high yield performance, disease resistance and high yield . At present, the demonstration area of ​​about 550000 acres nationwide. 1984