防止国外病虫害传入最有效的措施是禁止一切附着或可能附着病虫害的植物和植物产品(以下简称植物类)进口。世界最古老的植检法规,即德国的“禁止栽培用葡萄进口法令”(1873年)就是为防止葡萄根瘤蚜传入而采取禁止进口的法规。许多检疫先进的国家检疫工作,都是从采取禁止进口措 The most effective measure to prevent the introduction of foreign pests and diseases is to prohibit the import of all plant and plant products (hereinafter referred to as plants) attached or likely to attach pests and diseases. The oldest phytosanitary rule in the world, the German “Prohibition of Grape Import Act” (1873) is a ban on imports of grape phylloxera. Many quarantine advanced state quarantine efforts are based on a ban on imports