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Position: Home > Articles > Effects of Different Phosphor-excited LED Light on the Growth of Tobacco Seedling Journal of Nuclear Agricultural Sciences 2018 (7) 1442-1447

荧光粉激发型LED光对烟苗发育的影响

作者：

戴林建;盖淑杰;周子迁;邓子恒;刘晓颖;周智;卢向阳

关键词：

荧光粉;LED植物光源;烟草育苗;补光

摘要：

为解决湖南烟区冬季大棚育苗常遇到的低温寡照问题,以云烟87为试验材料,利用自制不同波段的荧光粉组装成不同光谱的LED植物光源器件,开展不同光质LED对苗期的补光试验,研究LED不同光质对烟草育苗及烟苗生长的主要生理指标的影响,同时采用荧光灯进行对照试验。结果表明,采用LED补光,烟苗出苗率、苗高、茎围、最大叶长、最大叶宽、茎高、叶绿素、根系活力较荧光灯(对照组)显著增加。最佳LED补光可以缩短育苗时间至47 d,较对照组提前36 d,显著增强了成苗素质。在荧光粉激发型LED植物光源器件中,以发射峰位于630 nm波段荧光粉的器件补光效果最好,其所育烟苗素质较对照组高,能达到移栽壮苗要求,可以满足烟苗冬季补光育苗的条件。本研究为烤烟育苗人工补光提供了理论依据。

译名：

Effects of Different Phosphor-excited LED Light on the Growth of Tobacco Seedling

作者：

DAI Linjian;GAI Shujie;ZHOU Ziqian;DENG Ziheng;LIU Xiaoying;ZHOU Zhi;LU Xiangyang;College of Agriculture,Hunan Agricultural University;College of Science,Hunan Agricultural University;College of Biotechnology,Hunan Agricultural University;

关键词：

phosphor;;LED plant growth light;;tobacco seeding;;light compensation

摘要：

In order to solve the relative low temperature and low-light supply problems in human tobacco greenhouse area in winter,this study employed Yunyan 87 as the test material,and several self-made various spectral bands emitting phosphors have been fabricated into a series of phosphors-converted light emitting diodes( pc-LEDs) devices.Furthermore,the effect of different LEDs light quality supplements on main physiological indexes of tobacco seedling has been studied in detail. Meanwhile,fluorescent lamps were employed to conduct contrast experiments,and the results show that with the use of home-made LEDs to supply light,the seedling emergence rate,seedling height,stem circumference,maximum leaf,maximum width,stem height,chlorophyll as well as root vigor were improved remarkably compared with the corresponding fluorescent lamps. The optimal LED supplementary lighting can shorten the seedling time to 47 days,ahead of 36 days compared with fluorescent lamps,the seeding quality can be obviously enhanced.Among all the pc-LEDs devices,the one which contain phosphors peaking at 630 nm in their emission spectra shows the best efficiency. The tobacco quality seeded with this light source is higher than the contrast one and can meet the requirements of transplant,fulfill the conditions of tobacco seedling in winter. This experiment provided a theoretical basis for the artificial light supplement of flue-cured tobacco seedlings.

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荧光粉激发型LED光对烟苗发育的影响

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