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白锈病:常发生在叶、茎、花梗及花器上。受害叶片在叶面产生淡黄色近圆形病斑,叶背面长出突出的疱状病斑,表皮皱裂后散发出
White rust: often occurs in leaves, stems, pedicels and flowers on. Injured leaves produce a pale yellowish roundish lesion on the foliage, prominent bullae on the back of the leaves, exfoliation of the epidermis