Construction of a Chlorophyll Content Prediction Model for Predicting Chlorophyll Content in the Pericarp of Korla Fragrant Pears during the Storage Period

Yang Liu, Jinfei Zhao, Yurong Tang, Xin Jiang and Jiean Liao ()
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Yang Liu: College of Mechanical Electrification Engineering, Tarim University, Alaer 843300, China
Jinfei Zhao: College of Mechanical Electrification Engineering, Tarim University, Alaer 843300, China
Yurong Tang: College of Mechanical Electrification Engineering, Tarim University, Alaer 843300, China
Xin Jiang: College of Mechanical Electrification Engineering, Tarim University, Alaer 843300, China
Jiean Liao: College of Mechanical Electrification Engineering, Tarim University, Alaer 843300, China

Agriculture, 2022, vol. 12, issue 9, 1-12

Abstract: A chlorophyll content prediction model for predicting chlorophyll content in the pericarp of Korla fragrant pears was constructed based on harvest maturity and storage time. This model predicts chlorophyll content in the pericarp of fragrant pears after storage by using the error backpropagation neural network (BPNN), generalized regression neural network (GRNN) and adaptive neural fuzzy inference system (ANFIS). The results demonstrate that chlorophyll content in the pericarp of fragrant pears decreased gradually as the harvest time lengthened. The chlorophyll content in the pericarp of fragrant pears with different maturity levels at harvest decreased continuously with the increase in storage time. According to a comparison of the prediction performances of the BPNN and ANFIS models, it was discovered that the trained GRNN and ANFIS models could predict chlorophyll content in the pericarp of fragrant pears. The ANFIS model showed the best prediction performances when the input membership functions were gasuss2mf (RMSE = 0.006; R 2 = 0.993), dsigmf (RMSE = 0.007; R 2 = 0.992) and psigmf (RMSE = 0.007; R 2 = 0.992). The findings of this study can serve as references for determining the delivery quality and timing of Korla fragrant pears.

Keywords: Korla fragrant pear; chlorophyll content; harvest maturity; storage time (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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