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枣缩果病是我省大枣产区近几年流行病害。一、病果症状病菌侵入枣果三天外果皮即出现淡黄色病斑,以后逐渐扩大,病部稍有凹陷或皱折,果皮呈现暗红色无光泽病斑,果柄暗黄色,提前形成离层,果肉病组织萎缩松软、味苦。二、发病规律发病与气温、湿度和枣果发育期密切相关。旬平均气温26—28℃,阴雨连绵或夜雨昼晴的天气,易发生蔓延;枣果开始着色时发病,8
Jujube shrinkage disease is jujube producing areas in our province epidemic disease in recent years. First, symptoms of fruit disease invasion of jujube fruit jujube fruit three days that appeared yellowish spot lesions, and later gradually expanded, the Ministry of a slight depression or wrinkles, the skin showed dark red dull spots, stalk dark yellow, premature formation of the layer , Flesh disease tissue shrinking soft, bitter taste. Second, the incidence of disease incidence and temperature, humidity and jujube development is closely related. Ten days the average temperature of 26-28 ℃, rainy night or rainy day sunny weather, prone to spread; jujube began coloring when the disease, 8