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4种喷雾器在茶树上喷雾效果比较

作  者:
陈丹;任广伟;王秀芳;王新伟;冯超
单  位:
中国农业科学院烟草研究所
关键词:
喷雾器;雾滴沉积量;流失率;茶树
摘  要:
[目的]筛选出适合茶树病虫害防治的新型喷雾器。[方法]对4种喷雾器进行额定喷雾压力下喷头流量、喷雾后雾滴在茶树有效沉积量以及地面流失量的比较试验。[结果]静电喷雾器3WBJ-16DZ在0.5 MPa喷雾压力喷雾时喷头流量最大,为1 290 mL/min;在不同高度及距施药者不同距离的雾滴沉积分布比较中,在小区内投放相同质量指示剂的情况下,静电喷雾器3WBJ-16DZ喷雾雾滴的沉积量约为其他3种供试喷雾器喷雾雾滴沉积量的2~3倍,而其地面流失率却小于对照背负式手动喷雾器。[结论]通过田间试验测定,静电喷雾器3WBJ-16DZ具有施药液量少、药液沉积量高等特点,适合在茶树上推广使用。
译  名:
Spray performance of four sprayers in the tea garden
作  者:
Chen Dan,Ren Guangwei,Wang Xiufang,Wang Xinwei,Feng Chao(Tobacco Research Institute of Chinese Academy of Agricultural Sciences,Qingdao 266101,China)
关键词:
sprayer;deposition of droplet;run-off;tea plant
摘  要:
[Objective] To screen new sprayers for tea pest control.[Method] Four different sprayers were evaluated for the deposition of droplets in tea canopy and on the ground.The spray rate of four different sprayers were evaluated.[Result] The spray rate of electrostatic sprayer 3WBJ-16DZ was 1 290 mL/min in 0.5 MPa.The droplet deposition of electrostatic sprayer 3WBJ-16DZ was about 2-3 times as that of the other three sprayers at different heights and in different distances.The run-off of electrostatic sprayer 3WBJ-16DZ was obviously less than that of the lever-operated knapsack sprayer.[Conclusion]Field experiments showed that the electrostatic sprayer 3WBJ-16DZ was characterized by strong adhesion rate,which was quite feasible for use in the tea garden.

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