ZHOU Hua,OUYANG Xueling,LIU Shujuan,et al.Effect of LED Light Intensity and Quality on Growth and Morphology of ‘Yugan’ Pepper Seedlings[J].Northern Horticulture,2016,40(12):40-43.[doi:10.11937/bfyy.201612011]
LED光强和光质对“余干”辣椒幼苗生长和形态的影响
- Title:
- Effect of LED Light Intensity and Quality on Growth and Morphology of ‘Yugan’ Pepper Seedlings
- Keywords:
- light intensity; light quality; ‘Yugan’ pepper; seedlings
- 文献标志码:
- A
- 摘要:
- 以“余干”辣椒幼苗为试材，设置3种光强（50、100、150 μmol?m-2?s-1）和2种光质（红光和蓝光）的双因素试验，研究了LED不同光强和光质对其生长和形态的影响，为“余干”辣椒工厂化育苗提供一定的基础数据。结果表明：光质和光强对“余干”辣椒幼苗的生长影响显著，且光强与光质存在交互作用；继续分析单因素光强和光质对“余干”辣椒幼苗生长的影响表明，中强光100 μmol?m-2?s-1下幼苗的株高、茎粗、叶片数、分枝数和茎间距均显著提高；不同光质处理中，红光显著提高了幼苗的株高、分枝点高、茎间距、叶长、叶宽以及地上鲜重，蓝光显著提高了分枝数，红∶蓝=8∶1复合光下幼苗生物量介于红光与蓝光之间。
- Abstract:
- Effects of light emitting diode(LED)with different intensities and qualities on growth and morphology of ‘Yugan’ pepper seedlings were studied,which aimed to provide the data base for industrialized cultivation.Through the two-factor experimental of three light intensity(50 μmol?m-2?s-1，100 μmol?m-2?s-1，150 μmol?m-2?s-1)and two light quality(red and blue).The results showed that there was the significant effect of light intensity and light quality on the growth of ‘Yugan’ pepper seedlings,and the interaction between light intensity and quality.The sole effect of light intensity on seedlings were further analyzed,which showed that the height,stem diameter,leaf number,branch number and stem spacing of seedlings were higher under 100 μmol?m-2?s-1 than 50 μmol?m-2?s-1 and 150 μmol?m-2?s-1.The experiment of light quality showed that the plant height,branching point high,spacing of stem,leaf length,leaf width and fresh weight were significantly increased by red LED,the branch number was significantly increased by blue LED,the biomass of seedlings by red∶blue=8∶1 was between red and blue LED.
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备注/Memo
第一作者简介：周华（1980-），女，博士，副研究员，研究方向为植物栽培育种。E-mail：yuerhua116@126.com.责任作者：余发新（1967-），男，博士，研究员，现主要从事林木遗传育种等研究工作。E-mail：fxyu2000@126.com.基金项目：江西省农业重点支撑资助项目（20151BBF60051）。