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Nov 1, 2020 · The history of the domestication of rice can be traced back to 10,000 years ago when the Oryza sp. was a mere wild grass and artificial continuous selection by humans has led to the development of a stable amenable cultivar. Several studies show that Asian rice or O. sativa has O. rufipogon as its progenitor, from which it was domesticated.
Jul 6, 2007 · Background. Rice has been found in archaeological sites dating to 8000 bc, although the date of rice domestication is a matter of continuing debate. Two species of domesticated rice, Oryza sativa (Asian) and Oryza glaberrima (African) are grown globally.
Although rice is grown in 112 countries, spanning an area from 53° latitude north to 35° south, about 95 percent of the crop is grown and consumed in Asia. Rice provides fully 60 percent of the food intake in Southeast Asia and about 35 percent in East Asia and South Asia.
