Visual Sensibility of Plants : its Application to Healing Agriculture

Minju  Kim1   Minji  Kim1   Sang-Yeob  Kim2   Songmun  Kim1,*   

1School of Natural Resources and Environmental Science, Kangwon National University, Chuncheon 24341, Korea
2Department of Optometry, Kangwon National University, Samcheok 25947, Korea


Healing agriculture refers to the utilization of various agricultural activities, especially farms and rural landscapes, to enhance the mental and physical health of the public. It was reported that healing agriculture positively affected participants by significantly decreasing the concentration of a stress hormone, cortisol. Hence, it is expected that healing agriculture will be promoted more actively. The healing effect reported so far is evaluated as the result of the total response of all human sense organs (sight, smell, hearing, touch, and taste). However, the individual effect of these senses on the participants has not been studied. It is known that the color information flowing into the visual organs of the participants in healing agriculture affects the formation and decision of emotions, thereby affecting the healing process. The authors investigated the flowering period of 235 plants with inflorescences cultivated in Korea. There were 65, 146, 34, and 4 species of flowering plants in spring, summer, autumn, and winter, respectively. Among them, 43 species are in red, 48 are species in yellow, 6 are species in blue, and 146 species are in other colors. We discussed how visual perceptions could be effectively utilized to stimulate visual sensory organs for improving the emotional state of brain function.

Figures & Tables

Fig. 1. The pink-colored inflorescence of Pink muhly () in Korea. Color of plants in healing agriculture can stimulate beholder’s visual sensitivity and emotions.