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不同耐贮性梨果实的结构有一定差别,其主要表现在果实表皮和果肉细胞结构及细胞内物质成分的不同。耐贮藏的黄县长把梨和较耐贮藏的窝梨、鸭梨果实表面的角质层较厚,且后期深入表皮细胞间隙,表皮下4～5层细胞含有大量易被染色的单宁类物质,而不耐贮藏的品种巴梨、伏梨角质层较薄,表皮下几层细胞的壁也较薄,且不含单宁类物质。黄县长把梨、窝梨等果肉中石细胞多,石细胞团也大,而巴梨、伏梨果肉中含石细胞少,石细胞团也小,所以,前者品质较差,而后者品质较好。
Different storability of pear fruit structure has some differences, which are mainly manifested in the fruit epidermis and pulp cell structure and intracellular material composition of the different. Strain resistant yellow county pears and more resistant to nesting pear, pear fruit surface of the stratum corneum thicker, and later into the epidermal cell gap, the epidermis 4 to 5 cells contain a large number of easy to be stained tannin substances , But not resistant to storage varieties of Pakistan pear, Virginia pear thin layer of skin, the layers of cells below the epidermis are also thin walls, and does not contain tannin substances. Huang County pear, nest pear and other flesh in the stone cells, stone cell group is also large, and Pakistan pear, VV pear fewer stone cells, stone cell clusters are small, so the former poor quality, while the latter than the quality it is good.