The occurrence dynamics of Empoasca onukii in tea gardens of different varieties from 2021 to 2023 in Yibin of Sichuan
Empoasca onukii is one of the main pests in Yibin tea garden.To gain insight into the occurrence pattern of E.onukii in Yibin,we investigated the overwintering population of E.onukii in Zaobaijian No.5,Fuxuan No.9,and Fudingdabai tea garden from January to March,and the population density from April to July,2021 to 2023.It was found that the initial adult peak period of E.onukii in Yibin occurred in May,with a frequency of severe occurrence of 78％to 83％.The resistance of different tea tree varieties to E.onukii was highest in Fuding dabai,followed by Fuxuan No.9 and Zaobaijian No.5.Understanding the occurrence patterns of E.onukii can inform timely prevention and control in Yibin during the early spring season.
Yibin tea gardenEmpoasca onukiioccurrence patterngreen prevention and control
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