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The origin of Oryza sativa rice domestication has been a subject of much debate among those who study crop history and anthropology – whether rice originated in India or China. [40] [41] Asian rice, Oryza sativa, is one of oldest crop species. It has tens of thousands of varieties and two major subspecies, japonica and indica.
Rice is the seed of the grass species Oryza sativa (Asian rice)—or, much less commonly, Oryza glaberrima (African rice). Asian rice was domesticated in China some 13,500 to 8,200 years ago; African rice was domesticated in Africa about 3,000 years ago.
Asian rice was domesticated 8,200–13,500 years ago in China, with a single genetic origin from the wild rice Oryza rufipogon, [7] in the Pearl River valley region of China. Rice cultivation then spread to South and Southeast Asia.
13,000 BCE: Contentious evidence of oldest domesticated rice in Korea. [11] Their 15,000-year age challenges the accepted view that rice cultivation originated in China about 12,000 years ago. [ 11 ] These findings were received by academia with strong skepticism, [ 12 ] and the results and their publicizing has been cited as being driven by a ...
New World crops by plant structure used [1]; Grains: little barley, maize, maygrass, wild rice: Psuedograins: amaranth, chia, knotweed, goosefoot, quinoa, sunflower ...
Ireland's national breeding herd comprises 1.5 million dairy cows and 889,000 suckler cows, making Ireland's suckler cow herd the third largest in the world, following France and Spain. [13] Furthermore, Ireland is noticed as a significant competitor in beef exports on the world stage, accounting for about 1.6 billion euros in exports yearly.
The Columbian exchange of crop plants, livestock, and diseases in both directions between the Old World and the New World. In 1972, Alfred W. Crosby, an American historian at the University of Texas at Austin, published the book The Columbian Exchange, [2] thus coining the term. [1]
Wild cereals and other wild grasses in northern Israel. Ancient grains is a marketing term used to describe a category of grains and pseudocereals that are purported to have been minimally changed by selective breeding over recent millennia, as opposed to more widespread cereals such as corn, rice and modern varieties of wheat, which are the product of thousands of years of selective breeding.