Betaine improves the effects of herbicides. A combination for controlling weeds including betaine and an herbicides for the weeds is described together with other adjuvants and additives. Methods of controlling weeds by the use of betaine and herbicide are also disclosed.
A method of controlling unwanted plants, the method including providing an herbicidal composition, the herbicidal composition containing at least a naturally-occurring, plant-derived organic compound, and applying the herbicidal composition to the unwanted plants.
