苹果表皮组织因受刺激而木栓化 ,在果面上形成状如土豆皮一样粗糙的锈斑 ,称为果锈。果锈影响果品的外观质量 ,降低商品价值。为有效防治 ,现将其形成的机理、原因及防治措施介绍如下 :1　果实表皮的结构与作用果实表面有一层排列紧密的细胞形成了表皮 ,在表皮上有细小的气孔 , Apple epidermal cork due to irritation, the formation of the shape of the skin as rough as potato skin rust, known as fruit rust. Fruit rust affects the quality of the appearance of the fruit and reduces the value of the product. For effective prevention and control, now its formation mechanism, causes and prevention measures are described as follows: 1, the structure and role of the fruit epidermis fruit surface has a layer of closely arranged cells formed the epidermis, the epidermis with small pores,