中、晚秈型杂交稻新组合白优63,于1981年配组,1983年开始试种推广,至1986年在省内外推广面积近15万亩.连晚一般亩产450公斤,中稻一般亩产500公斤,高产可达600～700公斤,比当地当家组合增产10%左右.生产实践表明:自优63是一个丰产性、抗病性、适应性和米质均优的中晚杂交稻新组合. Medium and late indica hybrid rice combination Baiyou 63, was allocated in 1981, and began to be planted in 1983 to promote the promotion of the province’s internal and external promotion in 1986 to nearly 15 million mu. Even the late general average yield of 450 kg per mu 500 kg, high yield of 600 ~ 700 kg, an increase of about 10% more than the local combination of the Lord.Practice shows that: self-excellent 63 is a high yield, disease resistance, adaptability and quality are excellent mid-late hybrid rice new combinations .