Light and Plant Responses

Dear Colleagues,

Light plays a critical role in the growth and development of plants, serving as both an energy source and potential stressor. Plants respond to various characteristics of light, including its intensity, quality, duration, and direction, utilizing specialized photoreceptors for these responses. While light is essential for the process of photosynthesis, excessively high or variable light levels can result in photoinhibition and the accumulation of reactive oxygen species. In response to light stress, plants are evolving protective mechanisms, such as non-photochemical quenching, the movement of chloroplasts, and the production of anthocyanins.

Moreover, the light environment significantly affects plant responses to other abiotic and biotic stresses, with shaded conditions enhancing thermotolerance and drought resistance. Light also regulates crucial developmental processes, including flowering and dormancy, which are vital for maximizing plant yield. In addition to influencing plant physiology directly, light can impact plant pathogens, thereby aiding plants in their defense mechanisms.

A comprehensive understanding of these light-induced responses is essential for developing strategies that enhance crop stress tolerance and productivity. Consequently, this Special Issue invites scientists to engage in discussions on the various aspects of light and plant responses to it.

Dr. Kristina Laužikė
Guest Editor

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