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Article

A Machine Learning Model for Photorespiration Response to Multi-Factors

Department of Protected Horticulture, College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China
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Author to whom correspondence should be addressed.
Academic Editor: Luigi De Bellis
Horticulturae 2021, 7(8), 207; https://doi.org/10.3390/horticulturae7080207
Received: 4 July 2021 / Revised: 19 July 2021 / Accepted: 19 July 2021 / Published: 21 July 2021
Photorespiration results in a large amount of leaf photosynthesis consumption. However, there are few studies on the response of photorespiration to multi-factors. In this study, a machine learning model for the photorespiration rate of cucumber leaves’ response to multi-factors was established. It provides a theoretical basis for studies related to photorespiration. Machine learning models of different methods were designed and compared. The photorespiration rate was expressed as the difference between the photosynthetic rate at 2% O2 and 21% O2 concentrations. The results show that the XGBoost models had the best fit performance with an explained variance score of 0.970 for both photosynthetic rate datasets measured using air and 2% O2, with mean absolute errors of 0.327 and 0.181, root mean square errors of 1.607 and 1.469, respectively, and coefficients of determination of 0.970 for both. In addition, this study indicates the importance of the features of temperature, humidity and the physiological status of the leaves for predicted results of photorespiration. The model established in this study performed well, with high accuracy and generalization ability. As a preferable exploration of the research on photorespiration rate simulation, it has theoretical significance and application prospects. View Full-Text
Keywords: photorespiration; environment; model; machine learning photorespiration; environment; model; machine learning
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MDPI and ACS Style

Zheng, K.; Bo, Y.; Bao, Y.; Zhu, X.; Wang, J.; Wang, Y. A Machine Learning Model for Photorespiration Response to Multi-Factors. Horticulturae 2021, 7, 207. https://doi.org/10.3390/horticulturae7080207

AMA Style

Zheng K, Bo Y, Bao Y, Zhu X, Wang J, Wang Y. A Machine Learning Model for Photorespiration Response to Multi-Factors. Horticulturae. 2021; 7(8):207. https://doi.org/10.3390/horticulturae7080207

Chicago/Turabian Style

Zheng, Kunpeng, Yu Bo, Yanda Bao, Xiaolei Zhu, Jian Wang, and Yu Wang. 2021. "A Machine Learning Model for Photorespiration Response to Multi-Factors" Horticulturae 7, no. 8: 207. https://doi.org/10.3390/horticulturae7080207

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