Herbicides that inhibit acetolactate synthase

1 INTRODUCTION Herbicides are an essential pillar in modern agricultural practice.They are used to selectively reduce the growth of weeds in crops and natural environments.Early weed mitigating chemicals date back to Roman times and include substances as simple as table salt,sulfuric acid and carbon bisulfide.However,these were non-selective,required high application rates and could be toxic not only to the target weeds but to other plants and to animals.