PROBLEM TO BE SOLVED: To suppress unevenness of plant growth or quality deterioration, and efficiently harvest fruits or flowers of plants.SOLUTION: In a cultivation method of a plant 10, a ratio of FR light in light applied to the plant 10 is increased in a forming period A of sprouts, and after the forming period A of the sprouts, a ratio of FR light in light applied to the plant 10 is decreased compared to the light having been applied in the forming period A of the sprouts, while a ratio of FR light in light applied to the plant 10 is increased in a forming period D of flower buds, and after the forming period D of the flower buds, a ratio of FR light in light applied to the plant 10 is decreased compared to the light having been applied in the forming period D of the flower buds.COPYRIGHT: (C)2014,JPO&INPIT【課題】植物の生育のばらつきや品質劣化を抑制し、効率よく植物の果実又は花を収穫する。【解決手段】植物10の栽培方法では、新芽の形成期間Aには、植物10に照射する光におけるFR光の比率を多くし、新芽の形成期間Aを過ぎると、当該新芽の形成期間Aに照射していた光と比べて、植物10に照射する光におけるFR光の比率を少なくし、花芽の形成期間Dには、植物10に照射する光におけるFR光の比率を多くし、花芽の形成期間Dを過ぎると、当該花芽の形成期間Dに照射していた光と比べて、植物10に照射する光におけるFR光の比率を少なくする。【選択図】図1
