32.5%苯甲·嘧菌酯悬浮剂对高山乌龙茶茶饼病的田间防效研究

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中图分类号：S435.6；S482.2 文献标志码：A 文章编号：1000-3150（2026）01-58-5

Abstract： In order to investigate the preventive and therapeutic effects，usage and dosage，as well as the growth and safety impact of difenoconazole-azoxystrobin suspension on tea blister blight in high-mountain oolong tea，a 32.5% difenoconazole-azoxystrobin suspension was selected as the experimental agent， and 10% difenoconazole water dispersible granules， 250g/L azoxystrobin suspension， and 3% polyoxin were used as control agents for field efficacy trials.The results show that the test agent 32.5% difenoconazole-azoxystrobin suspension was safe for high-mountain oolong tea and had a goodcontrol efect on tea blister blight.With the increaseofdosage per hectare，the control effect and duration increased， with the effect of 1 000 times and 1 5oo times being outstanding，and the control effect was above 80% and 90% respectively at 7d and 14d after the second application.

Keywords： high-mountain Oolong tea， tea blister blight， difenoconazole-azoxystrobin， control efficacy

茶产业是云南省高原特色现代农业的重点优势产业[-2]，至2024年茶园面积达51.87万 hm2 ，产量46.37万t，产业规模居全国第—[3]。（剩余5673字）