Figure 5 depicts that the L* value of ‘Yuluxiang’ pear fruit showed a trend of decreasing first and then increasing.
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Evaluation of the Effect of Preharvest Melatonin Spraying on Fruit Quality of 'Yuluxiang' Pear Based on Principal Component Analysis.
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The sentences
The b* values of pears after exogenous MT treatment showed a decreasing trend.
The shikimic acid content of fruit treated with exogenous MT showed an increasing trend, and that for the 30 d-50 treatment was the highest at 0.083 mg/g, 62.7% higher than that for CK. 3.3.