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| 防飘喷头在植保无人飞机水稻病害防治应用研究 |
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冯玉茹1,王香2,徐少卿2,于晓庆3,李天2,韩冷2,宋坚利2*
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| (1.中国农业大学 资源与环境学院, 北京 100193;2.中国农业大学 理学院, 北京 100193;3.山东省农业技术推广中心, 济南 250199) |
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| 摘要: |
| 为了解植保无人飞机应用文丘里防飘喷头对水稻病害的防效影响。利用植保无人飞机搭载文丘里防飘喷头的方法，分析雾滴沉积特性及水稻纹枯病、稻曲病的防治效率。结果表明:应用文丘里防飘喷头雾滴在冠层上部与下部以及总体沉积量均超过应用常规扇形喷头的雾滴沉积量，相对于小雾滴，植保无人飞机采用大雾滴可以改善雾滴在冠层中的穿透性及喷幅范围内的雾滴分布均匀性；不论是粗雾滴还是细雾滴，植保无人飞机均可以有效防治稻曲病，而且防效优于传统的背负式喷雾器；纹枯病植保无人飞机应用文丘里防飘喷头施药后，其防效达到80%，与背负式喷雾器防效相当，较常规扇形喷头防效提高30%。因此，水稻叶部病害应用文丘里防飘喷头能够达到病害防治要求。 |
| 关键词: 植保无人飞机 文丘里防飘喷头 雾滴分布均匀性 雾滴粒径 防效 |
| DOI：10.11841/j.issn.1007-4333.2022.09.18 |
| 投稿时间：2021-12-24 |
| 基金项目:国家自然科学基金项目(31761133019)；三亚中国农业大学研究院2022年引导资金项目(SYND-2022-23) |
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| Research on the application of air induced nozzle in rice disease control by plant protection unmanned aerial vehicle |
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FENG Yuru1,WANG Xiang2,XU Shaoqing2,YU Xiangqing3,LI Tian2,HAN Leng2,SONG Jianli2*
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| (1.College of Resource and Environment, China Agricultural University, Beijing 100193, China;2.College of Science, China Agricultural University, Beijing 100193, China;3.Shandong Agricultural technology Extension Center, Jinan 250199, China) |
| Abstract: |
| In order to understand the effect of venturi nozzle application in unmanned aerial vehicle(UAV)on rice disease control, a venturi anti-drift nozzle was installed to a UAV to analyze the droplet deposition characteristics and the control efficiency of rice blast and rice sheath blight. The results showed that: The deposition of droplets in the upper and lower part of canopy and the overall deposition of droplets with venturi nozzle exceeded those with the conventional fan nozzle; The use of large droplets in UAV improved the penetration of droplets in the canopy and the uniformity of droplet distribution within the spray area compared with small droplets; In terms of grain blight disease control, the application of venturi nozzles in UAV for plant protection was 80% as effective as that of the backpack sprayer, and 30% more effective than the conventional fan nozzles. Therefore, rice foliar diseases can be controlled by the application of venturi nozzle in UAV. |
| Key words: unmanned aerial vehicle anti-induced nozzle droplet distribution uniformity droplet size disease control effect |
