Agents and methods of using 4,6-(subst.)diamino-5-nitro-pyrimidines, most of which are new, which possess plant growth inhibiting, in particular herbicidal properties. The agents may also contain salts of the said pyrimidine derivatives. Preferably the 4,6-(subst.)diamino-5-nitro-pyrimidines are also substituted in the 2-position, especially by methyl, ethyl, methoxy or trihalomethyl.
使用4,6-(取代)二
氨基-5-
硝基嘧啶的制剂和方法,其中大部分是新的,具有植物生长抑制,特别是除草的特性。该制剂也可以包含所述
嘧啶衍
生物的盐。优选的是4,6-(取代)二
氨基-5-
硝基嘧啶在2位也被取代,特别是由甲基,乙基,甲氧基或三卤代甲基取代。