Though there is evidence of earlier use of wild cereals, it was not until after 9500 B.C.E. that the eight so - called Neolithic founder crops of agriculture appeared:
first emmer wheat and einkorn wheat, then hulled barley, peas, lentils, bitter vetch, chick peas, and flax.
That's how 28 - chromosome
emmer wheat, for instance, mated with another 14 - chromosome wild grass, goat grass, and yielded the ancestor of all modern
wheat, the
first Triticum aestivum species.