一、症状与危害:缩果病是我国各大枣区的主要病害之一。发生缩果病的枣果首先在果肩或胴部出现黄褐色不规则色斑,进而果皮出现水渍状,土黄色,边缘不清,后期枣果皮变为暗红色,收缩,且无光泽。果肉病区由外向内出现褐色斑,土黄色松软。病果吃起来味苦。果柄变为褐色或黑褐色。整个病果瘦小,于成熟前脱落。 First, the symptoms and hazards: Reduced disease is one of the major diseases in our jujube region. Fruit jujube fruit shrinkage occurs first in the fruit shoulder or body appear irregular yellowish brown stains, and then appear water-like peel shape, earthy yellow, edge unclear, late jujube peel into dark red, shrink, and dull. Flesh area appear from outside to inside brown spots, khaki soft. Fruity taste taste bitter. Fruit stalks turn brown or dark brown. The entire lesion is thin, fall off before maturity.