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首页> 外文期刊>Acta Horticulturae >Performance evaluation of recycling sprayer in vineyard.
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Performance evaluation of recycling sprayer in vineyard.

机译：葡萄园中回收喷雾器的性能评估。

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A comparison test was carried out in a Barbera vineyard espalier trained, Guyot pruned, in order to assess the performance of a recycling sprayer with respect to a conventional air-assisted sprayer and to a multi-row sprayer. A conventional trailed air-assisted sprayer equipped with an axial fan (Dragone Gamma 600), a multi-row trailed air-assisted sprayer (Unigreen Turbo Teuton FLX) and a tunnel recycling sprayer Bertoni l'Arcobaleno, were compared in order to evaluate the quality of spray distribution in vineyard. Comparison tests were made adopting four different volume application rates: 200, 400, 600 and 800 L/ha, spraying a water solution of yellow Tartrazine dye. Deposits on the leaves were determined by spectrophotometric analysis. On the recycling sprayer further tests were carried out to assess the quality and the amount of the spray mixture recovered through the screens and recycled in the main circuit. Tests were also carried out to evaluate the biological efficacy of the spray application. Spray deposition tests pointed out that when applying volumes between 200 and 400 L/ha the multi-row sprayer and the recycling sprayer were able to reach a level of spray deposition on the target higher with respect to the conventional air-assisted sprayer. Thanks to the contemporary spraying on the two row sides an increment of spray deposits on the leaves between 18% and 30% was obtained. Variations in the spray mixture concentration with respect to the basis one, due to the effect of the liquid recycled in the tunnel sprayer, amounted just to +or-4%, a value largely below the thresholds stated for the assessment of the efficiency of the sprayer agitation systems (+or-15%). The amount of liquid recovered by the tunnel ranged between 40% and 60%. Control of vine diseases obtained operating the recycling sprayer resulted equal to that achieved with the conventional sprayer.
机译：在经过专家培训的Barbera葡萄园西班牙人进行的比较测试中，Guyot被修剪，以评估回收喷雾机相对于传统空气辅助喷雾机和多行喷雾机的性能。比较了配备有轴流风扇（Dragone Gamma 600），多行尾随式空气辅助喷雾器（Unigreen Turbo Teuton FLX）和隧道循环式喷雾器Bertoni l'Arcobaleno的常规尾随式空气辅助喷雾器，以便评估葡萄园喷雾分布的质量。对比测试采用四种不同的体积施用率：200、400、600和800 L / ha，喷洒黄色酒石黄染料的水溶液。通过分光光度分析确定叶子上的沉积物。在回收喷雾器上，进行了进一步的测试，以评估通过筛网回收并在主回路中回收的喷雾混合物的质量和数量。还进行了测试以评估喷雾应用的生物功效。喷雾沉积测试指出，与传统的空气辅助喷雾器相比，当使用200至400 L / ha的体积时，多排喷雾器和回收喷雾器能够在目标上达到更高的喷雾沉积水平。由于在两排侧面上均进行了现代喷雾，因此叶片上的喷雾沉积物增加了18％至30％。由于在隧道喷雾器中循环使用的液体的影响，喷雾混合物的浓度相对于基础一的变化仅为+或-4％，该值大大低于为评估喷雾效率而规定的阈值。喷雾器搅拌系统（+或-15％）。隧道回收的液体量在40％至60％之间。使用回收喷雾器对藤蔓病的控制效果与传统喷雾器相同。

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