照明工程学报

2021, v.32(02) 1-5

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LED红蓝光光强模式对水培生菜生长与产量的影响
Effect of LED Red and Blue Light Intensity Mode on Growth and Yield of Hydroponic Lettuce

王奇;刘家源;刘文科;
WANG Qi;LIU Jiayuan;LIU Wenke;Institute of Agricultural Environment and Sustainable Development, Chinese Academy of Agricultural Sciences;Key Laboratory of Energy Conservation and Waste Treatment of Facility Agriculture,Ministry of Agriculture and Rural Areas;

摘要(Abstract):

在环境可控的密闭植物工厂内,将定植后的生菜全生育期均分为3个生长阶段,分别用苗期、生长前期和生长后期表示,每段7 d,共计21 d,研究了苗期(S_1)、生长前期(S_2)和生长后期(S_3)六种光强模式(T_1:S_1-S_2-S_3为200-200-200μmol·m(-2)·s(-2)·s(-1),T_2:S_1-S_2-S_3为100-100-400μmol·m(-1),T_2:S_1-S_2-S_3为100-100-400μmol·m(-2)·s(-2)·s(-1),T_3:S_1-S_2-S_3为100-150-350μmol·m(-1),T_3:S_1-S_2-S_3为100-150-350μmol·m(-2)·s(-2)·s(-1),T_4:S_1-S_2-S_3为100-200-300μmol·m(-1),T_4:S_1-S_2-S_3为100-200-300μmol·m(-2)·s(-2)·s(-1),T_5:S_1-S_2-S_3为100-250-250μmol·m(-1),T_5:S_1-S_2-S_3为100-250-250μmol·m(-2)·s(-2)·s(-1),T_6:S_1-S_2-S_3为100-300-200μmol·m(-1),T_6:S_1-S_2-S_3为100-300-200μmol·m(-2)·s(-2)·s(-1))对水培生菜生长和产量的影响。结果表明:对于水培生菜苗期阶段,200μmol·m(-1))对水培生菜生长和产量的影响。结果表明:对于水培生菜苗期阶段,200μmol·m(-2)·s(-2)·s(-1)光照强度处理下的生菜地上部鲜重、SPAD显著高于100μmol·m(-1)光照强度处理下的生菜地上部鲜重、SPAD显著高于100μmol·m(-2)·s(-2)·s(-1)光照强度处理;生长前期阶段,T_1的地上部鲜重显著高于其他处理,达到最大值;生长后期阶段,T_3的地上部鲜重高于其他处理,达到最大值。总之,在相同DLI条件下,T_3:100-150-350μmol·m(-1)光照强度处理;生长前期阶段,T_1的地上部鲜重显著高于其他处理,达到最大值;生长后期阶段,T_3的地上部鲜重高于其他处理,达到最大值。总之,在相同DLI条件下,T_3:100-150-350μmol·m(-2)·s(-2)·s(-1)能够明显提高生菜产量,LED红蓝光光强模式对水培生菜产量和生物量的提高有显著影响。
Six light intensity patterns(T_1:S_1-S_2-S_3:200-200-200 μmol·m(-1)能够明显提高生菜产量,LED红蓝光光强模式对水培生菜产量和生物量的提高有显著影响。
Six light intensity patterns(T_1:S_1-S_2-S_3:200-200-200 μmol·m(-2)·s(-2)·s(-1),T_2:S_1-S_2-S_3:100-100-400 μmol·m(-1),T_2:S_1-S_2-S_3:100-100-400 μmol·m(-2)·s(-2)·s(-1), T_3:S_1-S_2-S_3:100-150-350 μmol·m(-1), T_3:S_1-S_2-S_3:100-150-350 μmol·m(-2)·s(-2)·s(-1),T_4:S_1-S_2-S_3:100-200-300 μmol·m(-1),T_4:S_1-S_2-S_3:100-200-300 μmol·m(-2)·s(-2)·s(-1),T_5:S_1-S_2-S_3:100-250-250 μmol·m(-1),T_5:S_1-S_2-S_3:100-250-250 μmol·m(-2)·s(-2)·s(-1),T_6:S_1-S_2-S_3:100-300-200 μmol·m(-1),T_6:S_1-S_2-S_3:100-300-200 μmol·m(-2)·s(-2)·s(-1)) were studied in an enclosed environment-controllable plant factory.The growth and yield of lettuce in hydroponic culture were studied. The results showed that the light intensity of 200 μmol·m(-1)) were studied in an enclosed environment-controllable plant factory.The growth and yield of lettuce in hydroponic culture were studied. The results showed that the light intensity of 200 μmol·m(-2)·s(-2)·s(-1) was better than that of 100 μmol·m(-1) was better than that of 100 μmol·m(-2)·s(-2)·s(-1) at seedling stage, but the difference was not obvious; in the early growth stage, the aboveground fresh weight of T1 was significantly higher than that of other treatments, reaching the maximum; in the late growth stage, the aboveground fresh weight of T_3 was higher than that of other treatments, reaching the maximum. In conclusion, under the same DLI conditions, T_3:100-150-350 μmol·m(-1) at seedling stage, but the difference was not obvious; in the early growth stage, the aboveground fresh weight of T1 was significantly higher than that of other treatments, reaching the maximum; in the late growth stage, the aboveground fresh weight of T_3 was higher than that of other treatments, reaching the maximum. In conclusion, under the same DLI conditions, T_3:100-150-350 μmol·m(-2)·s(-2)·s(-1) could significantly increase lettuce yield, and LED red and blue light intensity mode had significant effects on lettuce yield and biomass.

关键词(KeyWords): LED红蓝光;植物工厂;水培生菜;生育期;生物量
LED red and blue light;plant factory;hydroponic lettuce;growth period;biomass

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(项目编号:31672202)

作者(Authors): 王奇;刘家源;刘文科;
WANG Qi;LIU Jiayuan;LIU Wenke;Institute of Agricultural Environment and Sustainable Development, Chinese Academy of Agricultural Sciences;Key Laboratory of Energy Conservation and Waste Treatment of Facility Agriculture,Ministry of Agriculture and Rural Areas;

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