宿根蔗是我国甘蔗生产主要栽培制度之一,常年保留的面积约占50%,但因其产量较新植蔗低的居多,因而宿根蔗面积有逐年减少的趋势。宿根蔗低产的普遍原因是由于前作收获期处于冬、春低温干旱季节,加上地下害虫为害,致使宿根蔗萌芽迟,萌芽率 Rooting sugarcane is one of the main cultivation systems for sugarcane production in our country. The perennial cane reserves account for about 50% of the total annual output. However, the area of ​​sugarcane root hoarding tends to decrease year by year due to its lower yield than the new sugarcane. The common reason for the low yield of ratoon cane is that the harvesting period is in the cold and dry season in winter and spring, and the damage of underground pests is caused by the delayed germination of ratoon cane and the germination rate