On the basis of winter shearing, pre-flowering shear was carried out to cut off dead branches and branches, overlapped branches, cross branches, densely crowded branches, diseased branches and branches, and to leave branches quantitatively. Spray Qingyuan Orchard before spraying in early spring 3 to 5 Baume degree lime sulfur agent or agent 52.5% chlorpyrifos cypermethrin EC 800 times + top good 10% Difenoconazole or 70% RenoRTO 1000 times mixture. It is very important to control overwintering sources such as brown rot, anthracnose, leaf lobe, perforation, and scab, and overwintering pests of some pests. Each Taoyuan, especially the old Taoyuan, must be sprayed. Disclaimer: Some articles in this website have been transferred from the Internet. If you are involved in third party legal rights, please inform this website. phone NINGBO VOICE BIOCHEMIC CO. LTD , https://www.medicine-voice.com