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赵帅歌,刘宝玉,王满莲,唐辉,聂成,张永凯,郑玉梅.光环境对鱼腥草开花、生长与光合特性的影响[J].广西科学,2024,31(4):723-730. [点击复制]
- ZHAO Shuaige,LIU Baoyu,WANG Manlian,TANG Hui,NIE Cheng,ZHANG Yongkai,ZHENG Yumei.Influences of Light Environment on Flowering,Growth and Photosynthetic Characteristics of Houttuynia cordata[J].Guangxi Sciences,2024,31(4):723-730. [点击复制]
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| 光环境对鱼腥草开花、生长与光合特性的影响 |
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赵帅歌1,2,3, 刘宝玉2,3, 王满莲2,3, 唐辉2,3, 聂成2,4, 张永凯2,4, 郑玉梅2,5
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| (1.桂林理工大学旅游与风景园林学院, 广西桂林 541006;2.广西壮族自治区中国科学院广西植物研究所, 广西桂林 541006;3.广西植物功能物质与资源持续利用重点实验室, 广西桂林 541006;4.广西师范大学生命科学学院, 广西桂林 541006;5.桂林医学院药学院, 广西桂林 541199) |
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| 摘要: |
| 为揭示光环境对鱼腥草(Houttuynia cordata)花期和生长的影响机制，发挥其观赏价值，丰富园林植物应用种类，本研究以同一林地不同生长光环境[林缘(LY)、疏林(SL)、密林(ML)]下的鱼腥草为研究对象，利用样方法确定试验样地，观测其花期、生长状况以及光合特性指标，分析不同光环境对鱼腥草开花、生长与光合特性的影响。结果表明：LY下鱼腥草开花数量最多，群体花期持续时间最长；SL次之；ML最差。鱼腥草生长状况和光合特性的各项指标在不同光环境下，除比叶面积和含水量外，均与光强呈正相关，部分差异显著。综上，LY为鱼腥草开花和生长的最佳光环境，挖掘鱼腥草的观赏价值，有利于其在园林景观中的应用，丰富广西药食同源植物在园林应用中的种类。 |
| 关键词: 鱼腥草 光环境 花期 生长 光合特性 |
| DOI：10.13656/j.cnki.gxkx.20241206.011 |
| 投稿时间：2023-12-19修订日期：2024-01-25 |
| 基金项目:广西科技重大专项(桂科AA22096020),桂林科技攻关项目(20190213-2),桂林市创新平台和人才计划项目(20210102-3),广西植物功能物质研究与利用重点实验室项目(ZRJJ2020-5)资助。 |
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| Influences of Light Environment on Flowering,Growth and Photosynthetic Characteristics of Houttuynia cordata |
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ZHAO Shuaige1,2,3, LIU Baoyu2,3, WANG Manlian2,3, TANG Hui2,3, NIE Cheng2,4, ZHANG Yongkai2,4, ZHENG Yumei2,5
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| (1.College of Tourism and Landscape Architecture, Guilin University of Technology, Guilin, Guangxi, 541006, China;2.Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin, Guangxi, 541006, China;3.Guangxi Key Laboratory of Plant Functional Phytochemicals and Sustainable Utilization, Guilin, Guangxi, 541006, China;4.School of Life Sciences, Guangxi Normal University, Guilin, Guangxi, 541006, China;5.School of Pharmacy, Guilin Medical College, Guilin, Guangxi, 541199, Chinav) |
| Abstract: |
| The influencing mechanisms of light environment on the growth and flowering of Houttuynia cordatawere studied to give full play to the ornamental value of this plant and enrich the application of garden plants.The quadrat sampling method was employed to determine the sampling sites ofH.cordatain the same forest with different light environments including forest edge (LY),sparse forest (SL),and dense forest (ML).The flowering,growth and photosynthetic indicators ofH.cordatawere measured,and the influences of different light environments on these indicators were studied.The results showed that the flowering number and the population flowering period were the highest in the LY group,moderate in the SL group,and lowest in the ML group.Other growth and photosynthetic indicators except specific leaf area and moisture content of H.cordatawere positively correlated with light intensity under different light environments,and some of the correlations were statistically significant.In summary,LY is the best light environment for the flowering and growth of H.cordata.Exploring the ornamental value of H.cordata facilitates the application of this plant in landscape gardening and enriches the plants with both medicinal and edible values for gardening application in Guangxi. |
| Key words: Houttuynia cordata light environment flowering period growth photosynthetic characteristics |
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