Effect of color of LED (light emitting diode)
Effect of color of LED (light emitting diode)
Effect of color of LED (light emitting diode)
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Proceedings <strong>of</strong> the 7 th International Conference on Mushroom Biology and Mushroom Products (ICMBMP7) 2011Light time. Continuous Light(control), 1/1(on/<strong>of</strong>f, hours), 1/2(on/<strong>of</strong>f, hours), 1/3(on/<strong>of</strong>f, hours),1/4(on/<strong>of</strong>f, hours), 1/5(on/<strong>of</strong>f, hours)* Experiment Light : <strong>LED</strong> Light selected at Experiment 1RESULTS AND DISCUSSIONFluorescent lamp Darkness Blue<strong>LED</strong> Green<strong>LED</strong> Yellow<strong>LED</strong> Red<strong>LED</strong>Figure 1: Primordia photographs under the <strong>LED</strong> <strong>light</strong> <strong>of</strong> Hypsizygus marmoreusTable 1: <strong>Effect</strong> <strong>of</strong> <strong>LED</strong> sources on properties <strong>of</strong> fruit body in Hypsizygus marmoreusLight source Diameter <strong>of</strong> pileus(mm) Thickness <strong>of</strong> stipe(mm) Length <strong>of</strong> stipe(mm)Fluorescent lamp 24a a 12a 79cDarkness 16c 10b 105aBlue<strong>LED</strong> 22a 12a 68dGreen<strong>LED</strong> 19b 10b 89cYellow<strong>LED</strong> 14c 10b 98bRed<strong>LED</strong> 16c 10b 103aa Values followed by the same letter do not differ significantly at p>0.05 according to Duncan's multiple range test.Table 2: <strong>Effect</strong> <strong>of</strong> <strong>LED</strong> source on yield properties <strong>of</strong> Hypsizygus marmoreusLight source No. <strong>of</strong> availablestipes(No./850ml)Yield(g/850ml)Commercialyields(g/850ml)Commercial yieldsIndex b (%)Fluorescent lamp 28 ab a 148 b 122 ab 82Darkness 31 a 156 a 114 b 73Blue<strong>LED</strong> 29 ab 159 a 135 a 85Green<strong>LED</strong> 35 a 158 a 130 a 82Yellow<strong>LED</strong> 28 ab 129 c 96 c 74Red<strong>LED</strong> 27 b 126 c 77 d 61a Values followed by the same letter do not differ significantly at p>0.05 according to Duncan's multiple range test.b Commercial yields / Yield × 100Section Posters 69
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