疫霜灵也叫霜疫净、克霉灵、乙磷铝;甲霜安也叫甲霜灵、瑞毒霉,是两种能上下传导的内吸杀菌剂,对人、畜毒性都较低。农作物病害中有一部分病害是由藻状菌纲真菌侵染引起的,如各种蔬菜的霜霉病、疫霉病和谷子白发病等。对这一类病害,一般杀菌剂对它们的防治效果均不够理想;而疫霜灵和甲霜安却有独到之处。常用剂型:疫霜灵为40％、80％可湿性粉剂,90％原粉。甲霜 Phytosan also known as frostbite net, Klebsiella, B phosphoric; A frost also called metalaxyl, reesei, are two kinds of up and down the absorption of systemic fungicide, human, animal toxicity are lower . Part of the disease in crop diseases is caused by fungi Phytoplankton fungal infections, such as various vegetables, downy mildew, Phytophthora and mildew white hair and so on. Of these diseases, the general fungicide effect of their prevention and treatment are not ideal; and Ephedra and Cream Cream has its own unique place. Commonly used dosage forms: frosted spirit is 40%, 80% wettable powder, 90% of the original powder. A cream