Effects of pre-harvest spraying ethephon on fruit quality and storage characteristics of'Shushanggan'apricot
Different concentrations of ethephon were sprayed on'Shushanggan'apricot fruit on the tree on the 52nd day after full bloom,and the quality of the fruit was measured before harvest and during storage.The results showed that the fruit sprayed with 200 mg/L ethephon had the best comprehensive quality evaluation at harvest.The single fruit weight,soluble solids content,soluble sugar content and sugar-acid ratio increased by 6.54％,16.82％,27.79％and 57.1 1％,respectively,compared with CK.The hardness and titratable acid content decreased by 33.59％and 14.08％,respectively,compared with CK.The fruit sprayed with 200 mg/L ethephon had the best comprehensive evaluation of quality during storage.The weight loss rate,soluble solids content,soluble sugar content,and sugar-acid ratio increased by 19.99％,21.04％,28.88％and 130.16％,respectively,compared with CK.The hardness and titratable acid content decreased by 29.30％and 43.36％,respectively,compared with CK.
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