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Efficacy of fungicide treatments on grapevines using a fixed spraying system
Crop Protection ( IF 2.5 ) Pub Date : 2020-12-01 , DOI: 10.1016/j.cropro.2020.105324
Gerd Innerebner , Christian Roschatt , Arno Schmid

Abstract Application of pesticides to control downy and powdery mildew is indispensable for almost all Vitis vinifera varieties. Recently, fixed spraying systems are in increasing demand as an alternative to airblast sprayers and hand-held spray guns. A prototype of a fixed spraying system was mounted in 2014 at Laimburg Research Centre; fungicides were applied using two spraying lines, which were equipped with micro-sprinklers and cooler nozzles. Biological efficacy of treatments against downy and powdery mildew was evaluated over four grapevine seasons. With this prototype, grape bunches were successfully protected to a similar degree as with the airblast sprayer. However, in years when weather conditions were favorable for downy mildew infections later in the season, the fixed spraying system was not as effective in leaf treatments as the airblast sprayer. This study provides the basis for future work towards developing the economic and engineering aspects of fixed spraying systems.

中文翻译:

使用固定喷洒系统进行葡萄藤杀菌剂处理的效果

摘要 施用农药防治霜霉病和白粉病是几乎所有葡萄品种都必不可少的。最近,固定式喷涂系统作为喷气式喷涂机和手持式喷枪的替代品的需求不断增加。2014 年在莱姆堡研究中心安装了一个固定喷雾系统的原型;杀菌剂使用两条喷洒线施用,这些喷洒线配备有微喷头和冷却器喷嘴。对四个葡萄藤季节的霜霉病和白粉病处理的生物学功效进行了评估。有了这个原型,葡萄串成功地得到了与空气喷射器相似的保护。然而,在天气条件有利于本季后期霜霉病感染的年份,固定式喷洒系统在叶片处理方面不如鼓风喷雾器有效。这项研究为未来开发固定喷洒系统的经济和工程方面的工作奠定了基础。
更新日期:2020-12-01
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