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Increasing the performance of Passion fruit (Passiflora edulis) seedlings by LED light regimes

文献类型： 外文期刊

作者： Liang, Dangdi 1 ; Yousef, Ahmed Fathy 1 ; Wei, Xiaoxia 2 ; Ali, Muhammad Moaaz 1 ; Yu, Weijun 1 ; Yang, Liuqing 1 ; Oe 1 ;

作者机构： 1.Fujian Agr & Forestry Univ, Coll Hort, Fuzhou 350002, Peoples R China

2.Fujian Acad Agr Sci, Fruit Res Inst, Fuzhou 350013, Peoples R China

3.Univ Al Azhar Branch Assiut, Coll Agr, Dept Hort, Assiut 71524, Egypt

4.Friedrich Schiller Univ Jena, Matthias Schleiden Inst, Plant Physiol, Dornburgerstr 159, D-07743 Jena, Germany

期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.38； 五年影响因子：5.134 ）

ISSN： 2045-2322

年卷期： 2021 年 11 卷 1 期

页码：

收录情况： SCI

摘要： Due to progress in the industrial development of light-emitting diodes (LEDs), much work has been dedicated to understanding the reaction of plants to these light sources in recent years. In this study, the effect of different LED-based light regimes on growth and performance of passion fruit (Passiflora edulis) seedlings was investigated. Combinations of different light irradiances (50, 100, and 200 mu mol m(-2) s(-1)), quality (red, green, and blue light-emitting LEDs), and photoperiods (10 h/14 h, 12 h/12 h and 14 h/10 h light/dark cycles) were used to investigate the photosynthetic pigment contents, antioxidants and growth traits of passion fruit seedlings in comparison to the same treatment white fluorescent light. Light irradiance of 100 mu mol m(-2) s(-1) of a 30% red/70% blue LED light combination and 12 h/12 h light/dark cycles showed the best results for plant height, stem diameter, number of leaves, internode distance, and fresh/dry shoot/root weights. 14 h/10 h light/dark cycles with the same LED light combination promoted antioxidant enzyme activities and the accumulation of phenols and flavonoids. In contrast, lower light irradiance (50 mu mol m(-2) s(-1)) had negative effects on most of the parameters. We conclude that passion fruit seedlings' optimal performance and biomass production requires long and high light irradiances with a high blue light portion.

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