Comparative Analysis of Four Types of Sprayers for Controlling Powdery Mildew on Rosa Roxburghii Tratt
This study aimed to identify an effective sprayer for controlling powdery mildew on Rosa Roxburghii Tratt by comparing four types of sprayers in field conditions.The manual sprayer,electric sprayer,gasoline sprayer and plant protection drone were evaluated in terms of control efficacy,work efficiency and cost,using pyraclostrobin 30%WP as the pesticide.The results showed that pyraclostrobin 30%WP effectively controlled powdery mildew,achieving 80%efficacy after 7 days and 14 days with all four types of sprayers.The plant protection drone exhibited the highest efficiency,while the manual sprayer performed the least.The electric sprayer had the lowest cost at 345 yuan/hm2 of,whereas the gasoline sprayer incurred the highest cost at 469 yuan/hm2 of.The results of this study provide scientific guidance for selecting appropriate spraying equipment for pest control on Rosa Roxburghii Tratt.
rosa roxburghii trattpowdery mildewsprayercontrol effect
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