蒙山县于1999年开始引种推广新台糖22号 ,在历经四年的栽培过程中 ,发现新台糖22号的螟害程度比较严重 ,集中表现在甘蔗生长中后期容易发生螟害节 ,我们就将调查情况以及对此问题的讨论呈报如下 :1螟害发生情况1.1幼苗期枯心苗调查情况 :1999年4月份调查西河园艺场春植引种园的 Mengshan County in 1999 introduced the introduction of new Taiwan Sugar No. 22, after four years of cultivation, found that the new Taiwan Sugar 22 is more serious stem borer, concentrated in the latter part of the sugarcane growing season prone to borer, we The investigation and discussion on this issue are reported as follows: 1 Occurrence of stem borer 1.1 Seedlings of seedlings in the investigation of the situation: in April 1999 survey of the West River horticultural field plantation introduction of spring