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培育无病健壮的幼苗是获得蔬菜丰收的基础,而防治苗期病害是保证培育壮苗的关键措施。蔬菜苗期最常见的病害有猝倒病、立枯病、炭疽病、沤根、枯萎病、灰霉病、早疫苗、晚疫病等,这些病害对蔬菜的正常生长危害极大,严重时可造成幼苗成片死亡,是蔬菜苗期大害。现将其症状识别及防治方法介绍如下:一、症状识别1、猝倒病。又称绵腐病、小脚瘟。由病原真菌的腐霉菌引起,主要侵染瓜类、茄果类、莴苣、芹
Cultivation of disease-free and robust seedling is the basis for the harvest of vegetables, and the prevention and treatment of seedling disease is to ensure that nurturing strong seedlings of the key measures. The most common diseases at the seedling stage of vegetables are damping-off disease, blight, anthracnose, gall root, blight, gray mold, early vaccine and late blight, which are very harmful to the normal growth of vegetables. In severe cases, Caused seedlings die, is a vegetable seedling damage. Symptoms are now identified and prevention methods described below: First, the symptoms identified 1, damping off disease. Also known as cotton rot, small foot plague. Pythium caused by pathogenic fungi, the main infection melons, solanaceae, lettuce, celery