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-
硝基嘧啶的代理和方法,大部分是新的,具有植物生长抑制,特别是除草特性。这些代理还可能包含所述
嘧啶衍
生物的盐。最好的情况是,4,6-(取代)二
氨基-5-
硝基嘧啶在2位也被取代,特别是甲基、乙基、甲氧基或三卤甲基。