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Effects of Variations in Color and Organ of Color Expression in Urban Ornamental Bamboo Landscapes on the Physiological and Psychological Responses of College Students

Author

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  • Yuqian Wang

    (College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, China)

  • Huahong Qu

    (College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, China)

  • Tong Bai

    (College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, China)

  • Qibing Chen

    (College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, China)

  • Xi Li

    (College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, China)

  • Zhenghua Luo

    (College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, China)

  • Bingyang Lv

    (College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, China)

  • Mingyan Jiang

    (College of Landscape Architecture, Sichuan Agricultural University, Chengdu 611130, China)

Abstract

Visual characteristics (e.g., the color and shape) of ornamental plants can significantly affect their beneficial influence on humans. Prior research, however, has largely focused on the effects of the color or shape of flowers and the impact of differences in the visual appearance of foliage plants and plants with ornamental stalks has not yet been fully explored. This study examined the psychophysiological effects of urban ornamental bamboos that expressed different colors on different organs. Three hundred Chinese college students participated in the experiment. They were randomly assigned to view images of five ornamental bamboo landscapes with the following different visual characteristics: green stalks (GS) non-green stalks (NGS) multicolored stalks (MS) green leaves (GL) and multicolored leaves (ML). Before and after viewing the images, their EEG, blood pressure, pulse, profile of mood states (POMS) score, and state-trait anxiety inventory (STAI) score were measured. The results showed that ornamental bamboo landscapes have extremely significant beneficial psychophysiological effects as compared to urban landscapes. After viewing landscapes in the NGS and MS groups, EEG, blood pressure, and pulse rate of subjects showed more beneficial changes. Significant gender differences were observed only in systolic blood pressure and in the vigor score. In addition, an extremely significant interaction between color and organ of color expression was observed on systolic and diastolic blood pressure. Organ of expression had significant main effects on all the physiological indicators and the fatigue, vigor, and irritability scores, while color only had a main effect on systolic blood pressure. Our study concluded that viewing urban ornamental bamboo landscapes with different visual characteristics has different effects on humans. With regards to ornamental bamboo, the organ expressing the color had a greater impact on psychophysiological responses than did the type of color itself. These study results can provide guidance for landscape construction of urban greening.

Suggested Citation

  • Yuqian Wang & Huahong Qu & Tong Bai & Qibing Chen & Xi Li & Zhenghua Luo & Bingyang Lv & Mingyan Jiang, 2021. "Effects of Variations in Color and Organ of Color Expression in Urban Ornamental Bamboo Landscapes on the Physiological and Psychological Responses of College Students," IJERPH, MDPI, vol. 18(3), pages 1-19, January.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:3:p:1151-:d:488587
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    References listed on IDEAS

    as
    1. Yuqian Wang & Mingyan Jiang & Yinshu Huang & Zhiyi Sheng & Xiao Huang & Wei Lin & Qibing Chen & Xi Li & Zhenghua Luo & Bingyang Lv, 2020. "Physiological and Psychological Effects of Watching Videos of Different Durations Showing Urban Bamboo Forests with Varied Structures," IJERPH, MDPI, vol. 17(10), pages 1-18, May.
    2. Ren-Lin Zhao & Gang Zhang & Xi Wang & Bo-Tong Zhang & Li-Na Guo & Li-Xin Niu & Yan-Long Zhang, 2019. "Psycho-Physiological Effects of a Peony-Viewing Program on Middle-Aged and Elderly Individuals at Different Phenological Stages," IJERPH, MDPI, vol. 16(3), pages 1-13, February.
    3. Chorong Song & Harumi Ikei & Bum-Jin Park & Juyoung Lee & Takahide Kagawa & Yoshifumi Miyazaki, 2018. "Psychological Benefits of Walking through Forest Areas," IJERPH, MDPI, vol. 15(12), pages 1-10, December.
    4. Hiromitsu Kobayashi & Chorong Song & Harumi Ikei & Bum-Jin Park & Juyoung Lee & Takahide Kagawa & Yoshifumi Miyazaki, 2017. "Population-Based Study on the Effect of a Forest Environment on Salivary Cortisol Concentration," IJERPH, MDPI, vol. 14(8), pages 1-9, August.
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    Cited by:

    1. Eunjin Kim & Hwayong Lee, 2023. "Seasonal Forest Changes of Color and Temperature: Effects on the Mood and Physiological State of University Students," IJERPH, MDPI, vol. 20(14), pages 1-16, July.

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