The maize specimens discovered by the scientists were found hidden away in the Peruaçu Valley of Minas Gerais state.

1940. Genetic studies of heat and drought tolerance in maize. J Amer Soc Agron, 32, 803–814. Article Google Scholar Johann, H. 1935. The histology of the caryopsis of yellow dent corn with ...

Brazilian scientists have determined that ancient specimens of partially domesticated maize (Zea mays, also known as corn) ...

Archaeological samples of grains, straw, and cobs recovered from caves in the Peruaçu Valley exhibit primitive ...