“绿乳铜”防治尖叶生菜霜霉病效果好尖叶生菜（白皮尖叶莴笋）霜霉病是尖叶生菜种植区的主要病害。目前防治该病使用的瑞毒霉价格较为昂贵。为寻求既价廉又理想的药剂，１９９５年１月我们选用珠海绿色南方保鲜总公司生产的１２％绿乳铜乳油在珠江管理区农科所菜场进行了... “Green Milk Copper” prevention sharp leaf lettuce downy mildew effect sharp lettuce (white lettuce leaves) Downy mildew is a sharp leaf lettuce planting area of ​​the main diseases. At present, the drug used to control the disease is more expensive. In order to seek both inexpensive and ideal pharmaceuticals, in January 1995, we selected 12% green latex EC produced by Zhuhai Green South Preservation Corporation in the agricultural field of Zhujiang Management District ...