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花芸豆是阿勒泰地区一种特色经济作物,近年来,花芸豆病虫害发生普遍,尤其以受花芸豆细菌性疫病危害造成的减产,挫伤了农民的种植积极性,限制了花芸豆产业的发展。一、发病症状1.苗期染病症状苗期染病,子叶上出现不规则黄褐色斑点,有的呈绿色水浸状病斑,病斑扩展变薄,呈半透明状,质脆,易破裂穿孔,严重时叶片上病斑密布,导致全叶干枯。生长衰弱的病苗茎部形成红色溃疡斑,溃疡围绕基部扩展,易使茎部折断,引起幼苗枯萎死亡。
In recent years, flowers kidney beans pests and diseases occur generally, especially in the kidney disease caused by bacterial damage caused by the reduction of production, dampening the enthusiasm of farmers planting, limiting the development of flower kidney beans industry. First, the symptoms 1. Seedling disease symptoms Seedling disease, irregular yellowish brown spots on the cotyledon, and some were green-like spots, lesion expansion thinning, was translucent, crisp, easy to rupture perforation In severe cases, the leaf spots on the leaves are uneven, resulting in dry leaves. Growth of weak seedling stem formation of red ulcer spots, ulcers spread around the base, easy to break the stem, causing seedlings withered death.