茄科蔬菜主要品种有茄子、西红柿、辣椒。易于大面积种植，产量高，但往往因苗期病害，使秧苗成片死亡，严重影响产量和市场供应。因此，防治苗期病害，是当前发展茄科蔬菜的一个迫切问题。 一、首期病害的种类 茄科蔬菜苗期病害主要有猝倒病、立枯病和沤根三种，而沤根则是由 Solanaceae vegetables are the main varieties of eggplant, tomatoes, peppers. Easy to large-scale planting, high yield, but often because of seedling disease, so that the seedlings die, seriously affecting the yield and market supply. Therefore, the prevention and treatment of seedling disease is an urgent issue for the development of solanaceous vegetables. First, the first species of diseases Solanaceae vegetables, seedling disease mainly damping-off disease, blight and Zao root three, and Zao root is from