PROBLEM TO BE SOLVED: To sprinkle plant treatment agent in a garden tree management service selectively and without spoiling a view.SOLUTION: By covering the whole or part of a plant with treatment agent-containing flexible material containing at least water-soluble plant treatment agent, having flexibility and having draining means, and by making the treatment agent-containing flexible material contact with water, the water-soluble plant treatment agent dissolves or disperses in the water and treatment agent-containing water is formed, and the treatment agent-containing water is transferred to the plant for sprinkling. A net, a film or a cord are applied for the treatment agent-containing flexible material.COPYRIGHT: (C)2014,JPO&INPIT【課題】庭木管理サービスにおける植物処理剤散布を、選択的に且つ景観を損なうこと無く行う。【解決手段】少なくとも水溶性植物処理剤を含有し、柔軟性を有し、且つ水捌手段を有する処理剤含有柔軟素材により、植物の全部又は一部を遮蔽し、前記処理剤含有柔軟素材に水を接触させることにより、前記水溶性植物処理剤を水に溶解又は分散させて処理剤含有水を形成させ、前記処理剤含有水を前記植物に転移させて散布する。前記処理剤含有柔軟素材としては、ネット、フィルム、紐などが使用できる。【選択図】図1