1College of Life Sciences,Nanjing Agricultural University,Nanjing 210095,Jiangsu,China;2College of Agriculture, Nanjing Agricultural University,Nanjing 210095,Jiangsu,China
Abstract：Effects of different spectra of light emitting diode(LED)on growth of radish sprouting seedlings were studied.Light generated from LED and fluorescent lights were used as the control.From the experimental results,red LED was the most effective for the growth of radish sprouting seedlings,and exhibited the highest hypocotyl length,cotyledon area,fresh weight and dry weight.Red LED，combination of red and blue LED significantly increased the contents of soluble sugar and starch.The results suggested that application of red LED could accelerate the growth of radish sprouting seedlings,increase yield and improve partial nutrient quality.
