This invention relates to substituted 2,4-imidazolidinediones, their method of preparation and use as broad spectrum systemic fungicides effective in controlling phytopathogenic fungi such as barley net blotch (Helminthosporium teres), bean powdery mildew (Erysiphi polygoni), grape downy mildew (Plasmorpora viticola), tomato late blight (Phytophthora infestans), and wheat stem rust (Puccinia graminis f. sp. tritici race 15 B-2.
这项发明涉及取代的2,4-
咪唑烷二酮,它们的制备方法以及用作广谱系统杀菌剂的用途,对控制大麦网斑病菌(Helminthosporium teres)、豆粉霉病(Erysiphi polygoni)、葡萄霜霉病(Plasmopora viticola)、番茄晚疫病(Phytophthora infestans)和小麦枝锈病(Puccinia graminis f. sp. tritici race 15 B-2)等植物病原真菌有效。