< Topic >It is superior in the growth promotion effect, energy efficiency is good, offer of the illuminant for plant cultivation whose is simply installation possible.SolutionsBeing the LED lamp for plant cultivation which possesses straight tubular fluorescent lamp form, the n type where the luminous wavelength area differs (, n integer of 2 or more) respectively 2 or more, terminal opposite the LED component of the n-tuple, the having and the same luminous wavelength area electrically the series and/or being jointed the LED component in parallel, forms the LED elements, offers the LED lamp for plant cultivation which is jointed to the aforementioned LED elements where each one of aforementioned terminal opposite becomes independent.< Choice figure >Drawing 1【課題】生長促進効果に優れ、エネルギー効率が良く、簡便に設置が可能な植物栽培用光源の提供。【解決手段】直管蛍光ランプ形状を有する植物栽培用LEDランプであって、発光波長域が異なるn種類(nは2以上の整数)のLED素子をそれぞれ2個以上、端子対をn組、備え、同じ発光波長域のLED素子が電気的に直列及び/又は並列に接続されてLED素子群を構成し、前記端子対のそれぞれが独立した前記LED素子群に接続されている植物栽培用LEDランプを提供する。【選択図】図1
