粗皮果的出现严重降低了库尔勒香梨果实的商品性。研究粗皮果与正常果品质及矿质营养差异,初步明确粗皮果发病原因。以正常果为对照,分析了粗皮果与正常果单果重、硬度、可溶性固形物含量、可滴定酸含量、维生素C和果皮颜色等品质指标的差异,并对氮、钙、钾、镁、磷、硼等6种矿质元素进行了比较。结果表明,粗皮果单果重、硬度、可滴定酸均 The appearance of crude fruits has seriously reduced the commerciality of Korla pear fruits. Research crude fruit and normal fruit quality and mineral nutrition differences, the initial clear cause of the rough skin. The normal fruit was used as the control to analyze the differences of fruit weight, hardness, soluble solids content, titratable acid content, vitamin C and peel color among the crude fruits and normal fruits. The effects of nitrogen, calcium, potassium, magnesium, phosphorus , Boron and other six kinds of mineral elements were compared. The results showed that the crude fruit weight, hardness, titratable acid average