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枣铁皮病主要为害大枣果实，可导致果实腐烂和提早落果，据症状特点可分为铁皮型和缩果型２种类型。１９９３～１９９５年对河北和河南２省６个不同枣区大枣铁皮病病果进行分离、接种和再分离，证实枣铁皮病病原为：链格孢Ａｌｔｅｒｎａｒｉａａｌｔｅｒｎａｔａ（Ｆｒ．）Ｋｅｉｓｓｌｅｒ；实腐茎点霉ＰｈｏｍａｄｅｓｔｒｕｃｔｉｖａＰｌｏｗｒ，壳梭孢属一种真菌Ｆｕｓｉｃｏｃｃｕｍｓｐ．３种病原真菌可以单独或混合侵染。
Jujube skin disease mainly jujube fruit damage can lead to fruit decay and early drop fruit, according to the characteristics of the symptoms can be divided into two kinds of metal type and reduced fruit type. From 1993 to 1995, we isolated, inoculated and re-isolated the skin of Duchena of Chinese jujube in Hebei and Henan provinces. The results showed that the pathogens of Alternanthera philoxeroides were Alternaria alternata (Fr.) Keissler, Mold PhomadestructivaPlowr, Fusarium is a fungus Fusicoccumsp. The three pathogenic fungi can be infested individually or mixedly.