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http://dx.doi.org/10.5532/KJAFM.2021.23.2.100

Effect of Partial Shading by Agrivoltaic Systems Panel on Electron Transport Rate and Non-photochemical Quenching of Crop  

Cho, Yuna (Department of Applied Plant Science, Chonnam National University)
Kim, Hyunki (Department of Applied Plant Science, Chonnam National University)
Jo, Euni (Department of Applied Plant Science, Chonnam National University)
Oh, Dohyeok (Agricultural Resources Research Institute, Gyeonggi Agricultural Research & Extension Services)
Jeong, Hoejeong (National Institute of Crop Science, Rural Development Administration)
Yoon, Changyong (Jeollanam-do Agricultural Research & Extension Services)
An, Kyunam (Jeollanam-do Agricultural Research & Extension Services)
Cho, Jaeil (Department of Applied Plant Science, Chonnam National University)
Publication Information
Korean Journal of Agricultural and Forest Meteorology / v.23, no.2, 2021 , pp. 100-107 More about this Journal
Abstract
An agrivoltaic system (AVS) is a system of innovation that comprises productions of photovoltaic power and agricultural crops on the same area. However, the decline in crop yield will be fatally occurred because the pigments of crop absorbs less light energy under AVS. In addtion, the photosynthetic capacity of crop grown under the partial shading of AVS is not well reported. In this study, the electron transport rate (ETR) and non-photochemical fluorescence quenching (NPQ) of soybean and rice under the AVS in Boseong and Naju was investigated using chlorophyll fluorescence measurement. The ETR value of soybean and rice under AVS were not significantly differed by location. It represents that the photophosphorylation rate of the crops is not critically different. It means that the decreases in total photosynthesis under AVS were mostly affected by the amount of light absorbed by leaves. Under AVS the photosynthesis of crops will be lower than field crops grown in open fields. This is because the crops under AVS observed higher NPQ, which means that the available energy cannot distribute to photophosphorylation reaction.
Keywords
Agrivoltaic Systems; Partial shading; Chlorophyll fluorescence; Electron transport rate; Non-photochemical fluorescence quenching;
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