How herbicides control weeds: mode of action explained
The fundamental effect herbicides have on plant biochemistry is called the mode of action. After spraying, weeds are controlled by a cascade of biochemical events that generate various symptoms of abnormal growth and development.
Palmer amaranth plagues US row crops
Palmer amaranth (Amaranthus palmeri) is an aggressive broadleaved weed that has become a severe problem in crops such as cotton, maize and soybeans across the US. Twenty-five years ago, it was a minor weed of little concern, but today some...