Wheat was a grain-based food staple found on Earth.
Barbara Wright and Ian Chesterton discovered a pile of wheat grains in a laboratory in 20th century Norwich. The pile appeared huge to them as they had been shrunk down to size by a TARDIS malfunction. (TV: Planet of Giants [+]Loading...["Planet of Giants (TV story)"])
By 2018, the "great Canadian wheat plains" had become, according to Ramón Salamander, the main source of grain on the entirety of Earth. (TV: The Enemy of the World [+]Loading...["The Enemy of the World (TV story)"])
After being sent to find the Third Doctor, Private Campbell's disfigured corpse was discovered near a field of wheat in which the image of his face had been created. The Brigadier later saw that the face of the Doctor had likewise been sculpted in wheat. (AUDIO: The Rings of Ikiria [+]Loading...["The Rings of Ikiria (audio story)"])
In 1895, all of Alain and Simone's wheat crops failed due to an underground alien bulb which had feasted and grown by extracting all the nutrients from the soil. (COMIC: The Mutant Turnip [+]Loading...["The Mutant Turnip (comic story)"])
Gurgurum saw the kingdom of Babylon's many wheat fields as signs of its abundance. (PROSE: The Beast of Babylon [+]Loading...["The Beast of Babylon (short story)"])