PROBLEM TO BE SOLVED: To provide a lighting fixture for observing plants cultivated under irradiation of light having a specific wavelength region similarly under irradiation of white light.SOLUTION: A lighting fixture for observing cultivated plants is provided with a lighting part 3 including a plurality of light sauces 41, 42, 43 different in emission wavelength regions, and a wavelength selection part 7 where the light sauce to emit light can be switched over, and is structured to make the light sauce in an emission wavelength region different from the wavelength region of the irradiated light of the light sauces selectively emit light to plants under an irradiation environment via the irradiation light with a prescribed wavelength region. According to the lighting fixture for observing cultivated plants, light having different in the wavelength region from that of the irradiated light is supplied to the plants under the irradiation environment via the irradiation light with a prescribed wavelength region, to enable observation of plants similarly under the irradiation environment via white light or natural light.COPYRIGHT: (C)2014,JPO&INPIT【課題】特定波長域の光の照射下で栽培される植物を、白色光の照射下と同様に観察するための照明具の提供。【解決手段】発光波長域が異なる複数の光源41,42,43を含む照明部3と、発光する光源を切り換え可能な波長選択部7と、を備え、所定波長域の照射光による照射環境下の植物に対して、前記光源のうち前記照射光の波長域と異なる発光波長域の光源を選択的に発光させられるように構成された栽培植物観察用照明具を提供する。この栽培植物観察用照明具によれば、所定波長域の照射光による照射環境下の植物に対し、前記照射光と波長域が異なる光を補光して、白色光あるいは自然光による照射環境下と同様に植物の観察を行うことができる。【選択図】図1
