李袋果病(Taphrina prui Tul),又称李囊果病,以往在我县仅个别李树偶见,而1992年由于李树开花发芽期受长期低温阴雨影响,使病害发生和流行,各地普遍发病,造成嫩梢干枯死亡,幼果早期脱落,据我县李主产区甲岭、城峰、嵩口,洑口等乡镇园间调查,一般病梢率0.6％～1.5％,高的达10.8％;病果率0.3％～1.2％,高的达4.4％ Taphrina prui Tul, also known as cyst, was found only occasionally in Li County. In 1992, due to prolonged low temperature and rainy weather, , Resulting in dead shoots dead dry, young fruit early fall off, according to my county Li main producing areas such as Jia Ling, Cheng Feng, Song mouth, mouth and other Township Park investigation, the general rate of 0.6% to 1.5%, high of 10.8 %; Disease rate of 0.3% ~ 1.2%, high of 4.4%