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.
本发明涉及一种使用4,6-(取代)二
氨基-5-
硝基嘧啶的方法和剂,其中大部分是新的,具有植物生长抑制,特别是
除草剂的特性。所述剂也可以包含所述
嘧啶衍
生物的盐。最好的是,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、甲氧基或三卤甲基取代。