The present invention relates to the use of new and known maleimide salts for controlling phytopathogenic fungi, and also to methods for controlling phytopathogenic fungi in crop protection, in the household and hygiene sectors and in materials protection, and also to crop protection compositions comprising these maleimide salts.本發明係有關使用新穎及已知之馬來醯亞胺鹽類控制植物病原性真菌之用途,亦有關於在作物保護、家用及保健領域上及物料保護上用於控制植物病原性真菌之方法,及有關包含彼等馬來醯亞胺鹽類之作物保護組成物。