Research on Tomato Quality Prediction Models Based on the Coupling of Environmental Factors and Appearance Phenotypes.

Although the R 2 values for TA and VC predictions (0.7557 and 0.7485, respectively) did not reach statistical significance ( p > 0.05), their MAE values remained at relatively low levels of 0.0140% and 0.0269 mg/g, respectively, demonstrating stable prediction trends.

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The model performed particularly well in predicting SSC (°Brix), attaining an R 2 of 0.9061 ( p = 0.019) and an RMSE of 0.2157 °Brix, reflecting highly significant and precise sugar content prediction ability.

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