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首页> 外文期刊>Protoplasma: An International Journal of Cell Biology >The structure of the fruit peel in two varieties of Malus domestica Borkh. (Rosaceae) before and after storage
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The structure of the fruit peel in two varieties of Malus domestica Borkh. (Rosaceae) before and after storage

机译：两个家蝇（Malus domestica Borkh）变种的果皮结构。 （蔷薇科）存放前后

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摘要

The structure of fruit peel of two apple varieties 'Szampion' and 'Jonagold' was investigated using light microscopy as well as scanning and transmission electron microscopy. The samples were taken immediately after harvest and after 6-month controlled atmosphere storage. The Szampion and Jonagold fruit differed in terms of the surface type, number of lenticels, thickness of the cuticular epithelium, height of epidermal cells and thickness of the hypodermis as well as the amount of crystalline wax and the number of microcracks formed on the fruit surface. The 6-month storage resulted in fruit weight loss, increased numbers and depth of microcracks, thickening of the amorphous wax layer and enhanced production of platelet forms of crystalline wax, which filled the microcracks abundantly. Compared with Jonagold, the Szampion fruit exhibited a fewer lenticels, a bigger number of microcracks, smaller amounts of crystalline wax and more substantial weight loss. The apple varieties studied had a reticulate-lamellate cuticle, and at harvest, the epidermal and hypodermal cells contained numerous amyloplasts filled with starch grains, which were not found after the storage period. Additionally, after storage, the cell protoplasts in the apple peel displayed a disorganised structure, and their vacuoles contained fragments of cell membranes, intravacuolar precipitates and deposits, and spherical bodies. The results may facilitate better understanding of changes occurring in fruits of Szampion and Jonagold during storage and help choose the best storage conditions to reduce loss of weight and prevent impairment of fruit quality.
机译：使用光学显微镜以及扫描和透射电子显微镜研究了两个苹果品种“ Szampion”和“ Jonagold”的果皮结构。收获后和6个月的可控气氛储存后立即取样。 Szampion和Jonagold水果在表面类型，皮孔数量，表皮上皮厚度，表皮细胞高度和皮下厚度以及在水果表面形成的结晶蜡数量和微裂纹数量方面有所不同。保存六个月导致果实失重，微裂纹的数量和深度增加，无定形蜡层的增厚以及结晶蜡的片状形式的产生增加，从而使微裂纹大量填充。与Jonagold相比，Szampion水果的皮孔更少，微裂纹数量更多，结晶蜡的数量更少，并且重量减轻更大。所研究的苹果品种具有网状的层状表皮，在收获时，表皮和次表皮细胞含有许多充满淀粉粒的淀粉状体，在储存期后未发现。另外，在储存之后，苹果皮中的细胞原生质体显示出混乱的结构，并且它们的液泡包含细胞膜的碎片，真空内的沉淀和沉积以及球形体。结果可能有助于更好地了解在贮藏期间Szampion和Jonagold水果中发生的变化，并有助于选择最佳的贮藏条件以减少重量损失并防止水果品质受损。

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