There are provided novel nitroguanidine and cyanoguanidine compounds. A method of dessicating and defoliating plants by applying to the foliage thereof certain nitroguanidine or cyanoguanidine compounds and a method for the selective preemergence control of undesirable broadleaf weeds and grasses in the presence of graminaceous crops are disclosed.
本发明提供了新型
硝基胍和
氰基
胍化合物。本发明公开了一种通过向植物叶片施用某些
硝基胍或
氰基
胍化合物来使植物
脱水和落叶的方法,以及一种在禾本科作物存在的情况下选择性芽前控制不受欢迎的阔叶杂草和禾本科杂草的方法。