There appears to be a preference for pesticide sprayed onto plants to be deposited in larger quantities at leaf tips than in other parts of plants. However, there is no clear experimental evidence to explain this phenomenon. Based on previous studies, the possible mechanisms for this phenomenon include aerodynamics, microstructure of the leaf surface and the leaf elasticity. Three experiments were carried out in an attempt to explore the main factors. A high-speed camera was used to record droplet tracks on leaf-shaped artificial surfaces and comparing them to wheat and maize. The deposition and elastic coefficient of different parts plants were measured at the different leaf tilt angles. The results showed that the leaf-tip preference could be strongly influenced by leaf elasticity since with the decreasing elasticity and it increases rapidly when leaf elasticity is <5 N m⁻¹ irrespective of leaf tilt angle. This indicates that the deposition distribution on the different parts of the plant could be influenced by leaf elasticity providing a new variable influencing the deposition of pesticide onto the leaves and a better understanding of this process could help improve the modelling of pesticide deposition on plants.

似乎更希望将农药喷洒在植物上，使其在叶尖的沉积量大于植物其他部位的沉积量。但是，没有明确的实验证据来解释这种现象。根据以前的研究，这种现象的可能机制包括空气动力学，叶片表面的微观结构和叶片弹性。进行了三个实验，以探索主要因素。使用高速相机在叶状人造表面上记录液滴轨迹，并将其与小麦和玉米进行比较。在不同的叶片倾斜角度下测量了不同部位植物的沉积和弹性系数。^-1与叶片倾斜角无关。这表明叶片弹性可能会影响植物不同部位的沉积分布，从而提供一个新的变量来影响农药在叶片上的沉积，更好地了解这一过程可以帮助改善农药在植物上的沉积模型。