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Oryza segetalis Russell ex Steud. Oryza sativa, having the common name Asian cultivated rice, [2] is the much 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. [3][4][5][6]
For other uses, see Rice (disambiguation). Rice plant (Oryza sativa) with branched panicles containing many grains on each stem Rice grains of different varieties at the International Rice Research Institute Rice is a cereal grain and in its domesticated form is the staple food of over half of the world's population, particularly in Asia and Africa. Rice is the seed of the grass species Oryza ...
Oryza is a genus of plants in the grass family. [ 3 ] [ 4 ] It includes the major food crop rice (species Oryza sativa and Oryza glaberrima ). Members of the genus grow as tall, wetland grasses, growing to 1–2 metres (3–7 ft) tall; the genus includes both annual and perennial species.
Oryza punctata. Kotschy ex Steud. Oryza punctata is an annual grass in the rice genus Oryza, also known as red rice, related to cultivated rice O. sativa. O. punctata forms clumps or tussocks from 50–120 cm tall. [2] It is a native to tropical Africa and Madagascar but is also found in Thailand and other parts of Indochina. [3]
Oryza glaberrima, commonly known as African rice, is one of the two domesticated rice species. [1] It was first domesticated and grown in West Africa around 3,000 years ago. [ 2 ] [ 3 ] In agriculture, it has largely been replaced by higher-yielding Asian rice ( O. sativa ), [ 2 ] and the number of varieties grown is declining. [ 1 ]
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. [39] [40] Asian rice, Oryza sativa, is one of oldest crop species. It has tens of thousands of varieties and two major subspecies, japonica and indica.
The BBCH-scale (rice) identifies the phenological development stages of rice Oryza sativa. It is a plant species specific version of the BBCH-scale. Growth stage. Code. Description. 0: Germination. 00. Dry seed (caryopsis) 01.
Basmati (pronounced ['bɑːsmət̪iː]) is a variety of long, slender-grained aromatic rice which is traditionally grown in the Indian subcontinent, mainly India, and Pakistan, as well as some regions of Sri Lanka and Nepal. [ 2 ] As of 2019 [update], India accounted for 65% of the international trade in basmati rice, while Pakistan accounted ...