corn cob

agribusiness agricultural agriculture agronomy armigera biofuel bites bollworm bordered brazil brown caterpillar cereal closeup corn corncob crawls crop crops cultivars cultivation depth destroys earworm eats environment farm farming feeds field flora fodder food forage fruit gardens genetic grain grains green growing helicoverpa insect larvae leaf macro maize maizeear mature moth nature oilseed oilseeds outdoor pest plant plantation plants ripe rural scarce seeds selective shallow stalks straw transgenic vegetables worm