５０％多霉清可湿性粉剂是一种新型广谱、内吸杀菌剂，可用于防治多种真菌病害。１９９８年我所应用５０％多霉清可湿粉防治苹果轮纹病，经室内外药效试验均取良好防效，现将结果报告如下。１材料与方法１１室内抑菌效果测定供试药剂５０％多霉清可湿粉（通用名：多霉威... A 50% mildew clear WP is a new broad-spectrum, systemic fungicide that can be used to control a wide variety of fungal diseases. In 1998, I applied more than 50% mildew-resistant wettable powder to control apple ring rot disease, both indoor and outdoor efficacy test take good control effect, the results are reported as follows. 1 Materials and Methods 1  1 indoor antibacterial activity test for the test agent 50% mildew wettable powder (common name: mold millet ...