浅谈四川甘蔗有性杂交育种四十年的几点体会

Discussion on Experiences about 40 Years Sugarcane Sexual Hybridization

四川甘蔗有性杂交育种40年、培育川蔗系列新品种20个，在70～90年代，占全省植蔗总面积的80％左右。选育的新品种都分别含有热带种、热带割手密、印度割手密（野生种）的血缘，并且是这三个种分别杂交的3～6代，在正确选配亲本的基础上，建立起一整套科学的育种程序，进行精细培育选择单株，作多次区域化控制试验，示范栽培，繁殖推广，促进了四川蔗糖生产的发展，为社会创造出巨大的经济效益。

Twenty new varieties were selected in past 40 years by sexual hybridizationin Sichuan and the aere of planting new variety was eighty petcent from 70's yearsto 90's years. The varietics have the relationship of S. officianrum, S. spontaneum andS. borberi, they are F3~F6 progeng of these specics. The selecting new variety may besucces by selecting fine patents, building the scientific breeding produre, carefulcultivating , selecting single plant, doing once more regional test. The new varietypromoted sugarcane's development of sichuan by demonstratice cultivating, breedingand produce extension, creafed great soical and economic effect.