Everything about Raphanus Sativus totally explained
The
radish (
Raphanus sativus) is an
edible root vegetable of the
Brassicaceae family that was domesticated in
Europe in pre-
Roman times. They are grown and consumed throughout the world. Radishes have numerous varieties, varying in size, color and duration of required cultivation time. There are some radishes that are grown for their seeds; oilseed radishes are grown, as the name implies, for oil production.
History
Although the radish was a well-established crop in
Hellenistic and
Roman times, which leads to the assumption that it was brought into cultivation at an earlier time, Zohary and Hopf note that "there are almost no archeological records available" to help determine its earlier history and domestication. Wild forms of the radish and its relatives the
mustards and
turnip can be found over west Asia and Europe, suggesting that their domestication took place somewhere in that area. However Zohary and Hopf conclude, "Suggestions as to the origins of these plants are necessarily based on linguistic considerations."
The descriptive Greek name of the genus Raphanus means "quickly appearing" and refers to the rapid germination of these plants. Raphanistrum from the same Greek root is an old name once used for this genus.
Cultivation
Summer radishes mature rapidly, with many varieties germinating in 3-7 days, and reaching maturity in three to four weeks. A common garden crop in the U.S., the fast harvest cycle makes them a popular choice for children's gardens. Most soil types will work, though sandy loams are particularly good for winter and spring crops, while soils that form a hard crust can impair growth. and was a common garden variety in England and France the early 19th century. It has a rough black skin with hot-flavored white flesh, is round or irregularly pear shaped, and grows to around 10cm in diameter.
Daikon refers to a wide variety of winter radishes from east Asia. While the Japanese name daikon has been adopted in English, it's also sometimes called the Japanese radish, Chinese radish, or Oriental radish. In areas with a large South Asian population, it's marketed as
mooli. Daikon commonly have elongated white roots, although many varieties of daikon exist. One well known variety is April Cross, with smooth white roots.
Seed pod varieties
The seeds of radishes grow in pods, following flowering that happens when left to grow past their normal harvesting period. The seeds are edible, and are sometimes used as a crunchy, spicy addition to salads. and
intestinal parasites.
In industry
The seeds of the
Raphanus sativus species can be pressed to extract
seed oil. Wild radish seeds contain up to 48% oil content, and while not suitable for human consumption the oil has promise as a source of
biofuel.
The oilseed radish grows well in cool climates.
Radishes in popular culture
Radishes were a favourite food of Fraggles, Gorgs and Doozers in the children's television program Fraggle Rock
Homestar Runner's Reddest Radish
Further Information
Get more info on 'Raphanus Sativus'.
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