PROBLEM TO BE SOLVED: To provide a lighting apparatus for plant cultivation, which has the most suitable selecting pitch of an illumination lamp according to the kind and growth of a cultivated product so as to perform lighting according to the kind and growth of a cultivated product, and reduces leakage of light from a heat-discharging hole.SOLUTION: This lighting apparatus for plant cultivation has illumination lamps 3 set above a cultivation bed 1, and includes a plurality of support members 4 which support the illumination lamp 3, and an almost horizontal guide rail 51 which supports the support members 4 in a laterally parallel condition in a movable manner in the row direction.COPYRIGHT: (C)2009,JPO&INPIT【課題】栽培物の種類や成長等に合わせて照明灯の最適なピッチを選択し、栽培物の種類や成長等に応じた照明を行えるとともに、さらには、熱抜き孔からの光の漏れを少なくすることができる植物栽培の照明装置を提供すること。【解決手段】栽培床1の上に照明灯3を設置する植物栽培の照明装置において、照明灯3を支持する複数の支持部材4と、この支持部材4を横に並列した状態で並び方向に移動可能に支持する略水平のガイドレール51を備える。【選択図】図1
