光照度对蒲公英光合效率及主要黄酮类化合物含量的影响

doi:10.14088/j.cnki.issn0439-8114.2021.05.015

湖北农业科学 ›› 2021, Vol. 60 ›› Issue (5): 85-88.doi: 10.14088/j.cnki.issn0439-8114.2021.05.015

光照度对蒲公英光合效率及主要黄酮类化合物含量的影响

徐翌深¹, 谢小翌¹, 郭仰东², 张喜春¹

1.北京农学院植物科学技术学院,北京 102206;
2.中国农业大学园艺学院,北京 100083

收稿日期:2020-11-23 出版日期:2021-03-10 发布日期:2021-03-22
通讯作者: 张喜春（1963-）,男,教授,博士,主要从事蔬菜生物技术与遗传育种研究,（电话）13521211180（电子信箱）xichunzhang@sina.com。
作者简介:徐翌深（1993-）,女,天津人,在读硕士生研究生,研究方向为蔬菜生物技术与遗传育种,（电话）18701567345（电子信箱）yishenxu@126.com;
基金资助:
都市绿色农业蔬菜新品种选育项目（2023299007）

Effect of illuminance on photosynthetic efficiency and main flavonoids content in Taraxacum mongolicum

XU Yi-shen¹, XIE Xiao-yi¹, GUO Yang-dong², ZHANG Xi-chun¹

1. School of Plant Science and Technology, Beijing Agricultural College,Beijing 102206, China;
2. College of Horticulture, China Agricultural University,Beijing 100083, China

Received:2020-11-23 Online:2021-03-10 Published:2021-03-22

摘要/Abstract

摘要： 为探究光照度与蒲公英（Taraxacum mongolicum Hand.-Mazz.）光合速率及5种主要黄酮类化合物含量的关系,在蒲公英生长过程中进行5种不同光照度处理,透光率分别为100.0%（平均光照度15 882 lx）、82.8%（平均光照度13 116 lx）、60.3%（平均光照度9 545 lx）、37.9%（平均光照度 6 003 lx）、14.5%（平均光照度2 303 lx）,采用植物光合作用测定仪和高效液相色谱法（HPLC）测定样品的光合参数和5种主要黄酮类化合物含量。结果表明,5种光照处理中,对照组（透光率100%）蒲公英光合效率最佳,透光率60.3%处理下5种黄酮类化合物含量最高,分别为芦丁346.85 μg/g、槲皮素502.75 μg/g、木犀草素299.53 μg/g、山奈酚241.90 μg/g、异鼠李素273.35 μg/g。栽培蒲公英过程中,全光照条件下光合效率最高;透光率控制在60.3%左右最有利于其黄酮类化合物的积累,低于60.3%不利于其生长。

关键词: 蒲公英（Taraxacum mongolicum Hand.-Mazz.）, 光照度, 光合参数, 黄酮类组分

Abstract: Aiming to investigate the relationship among illuminance and photosynthetic efficiency and accumulation of five main flavonoids in Taraxacum mongolicum Hand.-Mazz., five different light intensities treatments were applied including light transmittance 100.0%（average illuminance 15 882 lx）, 82.8%（average illuminance 13 116 lx）, 60.3%（average illuminance 9 545 lx）, 37.9%（average illuminance 6 003 lx） and 14.5%（average illuminance 2 303 lx） during the growth of Taraxacum mongolicum, then the photosynthetic parameters and the content of five main flavonoids were determined by plant photosynthesis analyzer and high performance liquid chromatography（HPLC）. The results showed that, the highest accumulation was observed in five main flavonoids under the light transmittance 60.3% among the five light treatments, which were Rutin 346.85 μg/g, Quercetin 502.75 μg/g, Luteolin 299.53 μg/g, Kaempferol 241.90 μg/g and Isorhamnetin 273.35 μg/g, and the photosynthetic efficiency in control group（100% light transmittance） was the best.There was the highest photosynthetic efficiency under full light conditions,and the light transmittance about 60.3% was most conducive to the accumulation of flavonoids during the cultivation of Taraxacum mongolicum, and the light transmittance below 60.3% is adverse to its growth.

Key words: Taraxacum mongolicum Hand.-Mazz., illuminance, photosynthetic parameters, flavonoids

中图分类号:

R931.71
S647

徐翌深, 谢小翌, 郭仰东, 张喜春. 光照度对蒲公英光合效率及主要黄酮类化合物含量的影响[J]. 湖北农业科学, 2021, 60(5): 85-88.

XU Yi-shen, XIE Xiao-yi, GUO Yang-dong, ZHANG Xi-chun. Effect of illuminance on photosynthetic efficiency and main flavonoids content in Taraxacum mongolicum[J]. HUBEI AGRICULTURAL SCIENCES, 2021, 60(5): 85-88.

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光照度对蒲公英光合效率及主要黄酮类化合物含量的影响

Effect of illuminance on photosynthetic efficiency and main flavonoids content in Taraxacum mongolicum

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