浅谈四川甘蔗有性杂交育种

A Talk on the Sexual Hybridization of Sugarcane in Sichuan Province

四川甘蔗有性杂交育种工作是在正确选配亲本基础上，即选择含有热带种、热带割手密、印度割手密（野生种）的血缘，经过该３个种分别杂交的Ｆ＿３～Ｆ＿６代，进行精细培育单株、多次区域化试验、示范栽培及繁殖推广等，建立起一整套的科学育种程序，培育出川蔗系列新品种２０个，促进了四川蔗糖生产的发展。

Sexual hybridization of sugarcane in Sichuan was conducted on the base of correct parents se-lection，i．e. to select the varieties wmch have hareditary relationship with S.officionrum，S.spontaneum and S． barbei．and hybridize seperately for F3～F6 progeny．By the fine cultivationof single plant，a lot of regional test，model cultivation and enlargement of breeding，a set ofscientific breeding procedrure and 20 new sugarcane varieties wre created， which have pro-moted the development of sugarcane production in Sichuan.