植物工厂LED光质调控对芹菜生长及产量的影响

doi:10.16178/j.issn.0528-9017.20230222

摘要/Abstract

摘要：

为探讨植物工厂中不同光质对芹菜生长的影响,本研究选用4种不同红蓝光配比的LED光源开展试验。结果表明,红光∶蓝光=3∶1的光质配比下,芹菜株高、茎粗、叶片数、单株鲜重、干重、地上部干重和地下部干重均最大,有利于芹菜的营养生长;红光∶蓝光=3∶1的光质配比可提高芹菜叶绿素含量,促进光合作用,提高光能转化率;红光∶蓝光=3∶1的光质配比有利于芹菜壮苗培育和产量的提高。综合各指标表明,红光∶蓝光=3∶1是适于植物工厂芹菜生长的光质配比。

关键词: 光质调控技术, LED, 芹菜, 植物工厂, 红蓝组合光, 育苗, 产量

Abstract:

In order to study the effect of different light quality ratios on celery growth in plant factory, in this study, four LED light sources with different ratio of red and blue light were selected for the experiment. The experiments showed that under the light quality ratio of red light∶blue light=3∶1, the plant height, stem diameter, leaf number, plant fresh weight, dry weight, aboveground dry weight and underground dry weight were the largest, which was beneficial to the vegetative growth of celery. The light quality ratio of red light∶blue light=3∶1 was beneficial to the increase of chlorophyll content in leaves, which could promote photosynthesis and improve the utilization rate of light energy. The light quality ratio of red light∶blue light=3∶1 was beneficial to the growth of strong seedlings and increase the yield of celery. According to the comprehensive indexes, red light∶blue light=3∶1 is the suitable light quality ratio for celery growth in plant factory.

Key words: light quality control technology, LED, celery, plant factory, red and blue combination light, seedling, yield

中图分类号:

S636.3

王哲, 王宇航, 王晓庆, 樊怀福. 植物工厂LED光质调控对芹菜生长及产量的影响[J]. 浙江农业科学, 2024, 65(2): 340-344.

Zhe WANG, Yuhang WANG, Xiaoqing WANG, Huaifu FAN. Effect of LED light quality control on celery growth and yield in plant factory[J]. Journal of Zhejiang Agricultural Sciences, 2024, 65(2): 340-344.

图/表 9

图1 不同光质配比处理对植物工厂芹菜叶片数的影响同组柱上无相同小写字母表示不同处理间差异显著(P<0.05)。图2~9同。

Fig.1 Effect of different light quality ratios on the number of celery leaves in plant factory

图2 不同光质配比处理对植物工厂芹菜叶柄长的影响

Fig.2 Effect of different light quality ratios on the petiole length of celery in plant factory

图3 不同光质配比处理对植物工厂芹菜株高的影响

Fig.3 Effect of different light quality ratios on plant height of celery in plant factory

图4 不同光质配比处理对植物工厂芹菜茎粗的影响

Fig.4 Effect of different light quality ratios on stem diameter of celery in plant factory

图5 不同光质配比处理对植物工厂芹菜鲜重的影响

Fig.5 Effect of different light quality ratios on fresh weight of celery in plant factory

图6 不同光质配比处理对植物工厂芹菜干重的影响

Fig.6 Effect of different light quality ratios on dry weight of celery in plant factory

图7 不同光质配比处理对植物工厂芹菜叶绿素含量的影响

Fig.7 Effect of different light quality ratios on chlorophyll content of celery in plant factory

图8 不同光质配比处理对植物工厂芹菜根冠比的影响

Fig.8 Effect of different light quality ratios on root shoot ratio of celery in plant factory

图9 不同光质配比处理对植物工厂芹菜667 m2产量的影响

Fig.9 Effect of different light quality ratios on celery yield in plant factories

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