HUANG Xingmin,DENG Xiaohong,PENG Hailan,et al.Effects of Elevated CO2 Concentration and Temperature on Ecophysiological Characteristics of Reineckia carnea (Andr.) Kunth[J].Northern Horticulture,2022,(14):101-108.[doi:10.11937/bfyy.20220030]
CO2浓度和温度升高对吉祥草生理生态特性的影响
- Title:
- Effects of Elevated CO2 Concentration and Temperature on Ecophysiological Characteristics of Reineckia carnea (Andr.) Kunth
- 文献标志码:
- A
- 摘要:
- 以苗族常用药材吉祥草(Reineckia carnea(Andr.)Kunth)为试材,采用盆栽控制试验,研究CO2浓度、温度升高及二者的交互作用对吉祥草形态指标、生物量、叶绿素含量、非结构性碳水化合物、抗氧化酶活性以及次生代谢产物的影响,以期为吉祥草在药用生产上提供参考依据。结果表明:1)CO2浓度和温度升高及二者的交互作用均显著促进吉祥草的形态生长以及生物量的积累;2)CO2浓度升高或同时升高CO2浓度和温度有利于叶绿素的合成;3)CO2浓度和温度升高及二者的交互作用均显著促进其可溶性糖的合成,对淀粉均无显著影响,可溶性蛋白质含量仅在CO2浓度升高时增加;4)单独升温会抑制皂苷和类黄酮的合成,在此基础上增加CO2浓度可缓解其抑制作用。综上所述,在实际生产过程中,可适当增加CO2浓度,有利于增大吉祥草的产量和缓解升温对其有效成分合成的抑制作用。
- Abstract:
- Reineckia carnea (Andr.) Kunth,a common miao herb,was used as test material.The effects of CO2 concentration,temperature rise and their interaction on morphological indexes,biomass,chlorophyll content,non-structural carbohydrates,antioxidant enzyme activity and secondary metabolites of Reineckia carnea (Andr.) Kunth were studied by the pot experiment,in order to provide reference for medicinal production of Reineckia carnea (Andr.) Kunth.The results showed that,1) The increase of CO2 concentration and temperature and their interaction significantly promoted the morphological growth and biomass accumulation of Reineckia carnea (Andr.) Kunth.2) Increasing CO2 concentration or simultaneously increasing CO2 concentration and temperature was beneficial to chlorophyll synthesis.3) The increase of CO2 concentration,temperature and their interaction significantly promoted the synthesis of soluble sugar,but had no significant effect on starch,and soluble protein content only increased with the increase of CO2 concentration.4) The synthesis of saponins and flavonoids could be inhibited by increasing temperature alone,and the inhibition could be alleviated by increasing CO2 concentration.In conclusion,in the actual production process,appropriate increase of CO2 concentration was beneficial to increase the yield of Reineckia carnea (Andr.) Kunth and alleviate the inhibition of temperature rise on the synthesis of its active components.
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备注/Memo
第一作者简介:黄兴敏(1997-),女,硕士研究生,研究方向为植物生态学。E-mail:2049550554@qq.com.责任作者:王健健(1985-),男,博士,副教授,现主要从事植物生态学等研究工作。E-mail:wangjj33209@163.com.基金项目:国家自然科学基金资助项目(31760155);贵州省生物学一流学科建设资助项目(GNYL[2017]009)。收稿日期:2022-01-04