Bread wheats are grown in United States, Russia, Ukraine, China, Australia, Canada. Zea mays . Maize is preferred name, because corn refers to other grains in Europe. Types of modern corn and their uses Popcorn , oldest. Has hard seed coat, high-moisture cells internally.
Heating produces steam, explodes, turns endosperm inside out.
Widely used by Indians because it didn't have to be ground. Flour corn, soft endosperm, easy to grind, but attacked by insects. All modern field corns are dent corns. Major uses are for animal feed, corn meal, cornstarch, high fructose corn syrup, ethanol. Sweet corn , endosperm contains sugar instead of starch, harvested and eaten immature.