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The genus Oryza consists of 24 species, among which two domesticated species are recognized. On the one hand, there is Asian rice, Oryza sativa; today one of the most widely grown and productive of world crops, which had its origins in southern and eastern Asia. On the other hand, there is African rice, Oryza glaberrima, which is native to and ...
Oryza sativa subsp. japonica Shig.Kato. Oryza segetalis Russell ex Steud. Oryza sativa is much the more common of the two rice species cultivated as a cereal, the other species being O. glaberrima, African rice. It was first domesticated in the Yangtze River basin in China 13,500 to 8,200 years ago. [2] [3] [4] [5]
rice, Edible starchy cereal grain and the annual grass ( Oryza sativa, family Poaceae) that produces it. Roughly one-half of the world’s population, including almost all of East and Southeast Asia, depends on rice as its principal staple food. First cultivated in India more than 4,000 years ago, rice was planted gradually westward and is now ...
Jul 5, 2022 · Rice is currently the staple food for over 3.5 billion people and is arguably the most important crop exploited by humans. Understanding how we came to the point where a single crop dominates the lives of almost half of the Earth’s population has major significance for our future, even more so given the climatic instability we face today, as rice is a cereal that is dependent on water to an ...
TIMELINE: The story of rice. The story of rice and how it was first discovered and then spread to all of the major countries on Earth is a fascinating tale that includes mythology, romance, politics, religion, intrigue, heroics, deceit, greed, famine and innovation. The symbol represents the Chinese/Japanese character for a rice grain.
Feb 15, 2022 · Asian rice (Oryza sativa L.) has been a model plant but its cultivation history is inadequately understood, and its origin still under debate. Several enigmas remain, including how this annual crop shifted its growth habit from its perennial ancestor, O. rufipogon, why genetic divergence between indica and japonica appears older than the history of human domestication, and why some ...
