The Occurrence and Prevention Measures of Fruit Flies in the Autumn of 2023 in Citrus Producing Areas in the Upper and Middle Reaches of the Yangtze River
From September to November 2023,there was a new trend of fruit flies severely dam-aging citrus in the upper and middle reaches of the Yangtze River.Most areas were affected by fruit flies,and the occurrence range rapidly expanded compared to previous years.In some are-as,South Asian fruit flies have been found to cause damage to citrus fruits,which has not been reported in local history.According to the field investigations,the insect population in most are-as increased significantly in late August,and reached peak of adult insects in September.The peak of insect population in the field was in early October.The peak period of damage is in mid to late September,with a peak in early October and a significant decrease of damage at end of October.In some areas of Hubei,Sichuan and Chongqing,a combined green prevention and control measure of fly traps and chemical pesticides was applied,and experiments and demon-strations were carried out.This measure effectively controlled the damage of fruit flies.
the upper and middle reaches of the Yangtze Rivercitrusfruit flyoccurrence dy-namicsprevention and control measures
万方数据
维普
