农药学学报2017，Vol.19Issue(1)：9-17,9.DOI:10.16801/j.issn.1008-7303.2017.0003
不同类型界面液滴蒸发特性与农药利用效果研究进展
Reasearch advances of droplet evaporation on different interfaces and the efficiency of pesticide utilization
摘要
Abstract
The evaporation of droplet on crop leaf surface is a key progress in the pesticide spraying application when the droplet deposited on target crops. It also has an effect on the utilization rate of pesticide and the control efficiency. Studies demonstrated that there are many evaporation modes during the whole evaporation period such as CCR (Constant contact radius) mode, CCA (Constant contact angle) mode, Mixed mode and so on. Besides, the evaporation mode has an influence on both the profile of the droplet and the whole evaporation time. To understand the evaporation kinetics of pesticide droplets on the target crop, the evaporation dynamics of droplets on the smooth solid interface, artificial modified interface with different microstructure and on different plants surfaces was reviewed. Recent literature revealed that the evaporation rate of droplet on the smooth solid surface has a linear trend with the evaporation time. On the artificial modified interface, the evaporation rate and the evaporation mode are affected by the solid morphology. On different leaf surfaces, wettability is an important factor in the process of the droplet depositing, withholding, spreading and penetrating on leaf surfaces. In general, the droplet spreading area and the evaporation rate are proportion to the wettability of the leaf surfaces. With better understanding of the evaporation dynamics of the pesticide droplet on target crop leaves, the evaporation time on crop leaf surfaces can be regulated through the damage characteristics of pests and effective prevention of dosage. And this provides the theory basis for suitable use of surfactant and for improving the effective utilization of pesticide.关键词
界面/液滴/蒸发/植物叶片/表面特性/农药利用率Key words
interface/droplet/evaporation/crop leaves/surface characteristics/pesticide utilization分类
农业科技引用本文复制引用
周召路,曹冲,曹立冬,郑丽,马超,李凤敏,黄啟良..不同类型界面液滴蒸发特性与农药利用效果研究进展[J].农药学学报,2017,19(1):9-17,9.基金项目
国家自然科学基金 (31471805 （）
31601673). （）
