Maize, or corn, provides staple food for much of the world’s population in developing countries where it is used to make porridge, bread and tortillas, and also the fast-foods of western society - breakfast cereals, sweet corn and popcorn. All around the world, maize grain is a basic livestock feed, and the crop can be cut while still green to make silage as a winter feed. Also, over recent years maize has been increasingly used as a feedstock for the production of bioethanol.
Paraquat is a versatile and important herbicide for weed control in maize. It can be applied from...