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君子兰叶斑病郭慧卿河南省宝丰县农牧局植保站４６７４００叶斑病是君子兰的重要病害、受害后叶片上病斑累累，影响君子兰的生长发育及观赏效果。其症状为：受害初期、叶片上出现浅黄色病斑，周围似水渍状，后逐渐扩大呈不规则形的大斑，呈浅褐色至灰褐色，边缘稍微隆起。...
Clivia leaf spot Guo Huiqing Baofeng County Agriculture and Animal Husbandry Bureau plant protection station in Henan Province 467400 Leaf spot is an important disease of Clivia, after the victim leaf lesions on the patch, affecting the growth and ornamental Clivia. The symptoms are: early victims, the leaves appear light yellow lesions around like water stains, and gradually expanded irregularly shaped spots, pale brown to taupe, slightly raised edge. ...