PROBLEM TO BE SOLVED: To provide a method of controlling pests causing damage to plants, such as killing of them, by making the pests suck in the solution of leaves of plants.SOLUTION: A single blue light beam, a single green light beam, and blue-green composite light beams are radiated to leaves of plants at night to increase the content of phenol in the leaves, thereby destroying imagoes and hatched larvae of pests while inhibiting the growth of them.COPYRIGHT: (C)2014,JPO&INPIT【課題】植物の葉体の葉液を吸汁して植物を枯らすなどの被害を与える害虫を駆除する方法を提供する。【解決手段】青色の単独光、緑色の単独光、青色光と緑色光との複合光線を、夜間に植物の葉体に照射し葉体内にフェノールの含有量を増加させ、害虫たる成虫や孵化幼虫の生育を抑制せしめながら死滅させる。【選択図】図1
