Its ancestral wild original form is not known, although escapes from cultivation have become established in some regions. [19], In the Age of Discovery, onions were taken to North America by the first European settlers,[17] only to discover the plant readily available, and in wide use in Native American gastronomy. It can have quite a powerful kick in flavor when eaten raw, where its undertones need highlighting. Although it is one of the most important ingredients in all of the culinary arts, garlic nevertheless seems to mystify us when it comes to classifying it—is it an herb, spice, or vegetable? [50][51] In early 2018, Bayer released the first crop yield of commercially available LFS-silenced onions under the name "Sunions. [7][8] It was first officially described by Carl Linnaeus in his 1753 work Species Plantarum. tomatoes, gourds etc.) CS1 maint: multiple names: authors list (, New Zealand Institute for Crop and Food Research, Centre for Agroecology, Water and Resilience, World Checklist of Selected Plant Families, "Approximate pH Values of Common Foods and Ingredients", "Onion Cultivation and Production in Iran", "A review on the materials used during the mummification process in ancient Egypt", "The Difference between Yellow, White, and Red Onions", "Onion epidermis as a new model to study the control of growth anisotropy in higher plants", "A rapid, highly efficient and economical method of Agrobacterium-mediated in planta transient transformation in living onion epidermis", "What is the chemical process that causes my eyes to tear when I peel an onion? But opting out of some of these cookies may have an effect on your browsing experience. ", "Tearless Onion Created In Lab Using Gene Silencing", "Silencing Onion Lachrymatory Factor Synthase Causes a Significant Change in the Sulfur Secondary Metabolite Profile", "Onions that don't make you cry are finally here", "Onion bulb formation is strongly linked with day length", "Onions: Planting, Growing and Harvesting Onion Plants", "What is Onion Bolting and how to Keep an Onion from Bolting", "Production of onions and shallots (green) in 2018: Crops/World Regions/Production Quantity from pick lists", https://en.wikipedia.org/w/index.php?title=Onion&oldid=997289619, Short description is different from Wikidata, Articles with failed verification from June 2020, Articles needing examples from April 2020, Articles with unsourced statements from April 2020, Creative Commons Attribution-ShareAlike License, Gripshover, Margaret M., and Thomas L. Bell, "Patently Good Ideas: Innovations and Inventions in U.S. Onion Farming, 1883–1939,", This page was last edited on 30 December 2020, at 21:09. Our site includes quite a bit of content, so if you're having an issue finding what you're looking for, go on ahead and use that search feature there! [19] According to texts collected in the fifth/sixth century AD under the authorial aegis of "Apicius" (said to have been a gourmet), onions were used in many Roman recipes. The onion is one of the world's leading vegetable crops, believed to have been domesticated in central and western Asia. The characteristic appearance is well known, but there are many variations of colour, shape and size. 6789 Quail Hill Pkwy, Suite 211 Irvine CA 92603. [15], Routine care during the growing season involves keeping the rows free of competing weeds, especially when the plants are young. They can be harvested one of two ways – either early in the season before the bulb starts to grow or afterward, once the bulb is attached. Sign up to receive the latest and greatest articles from our site automatically each week (give or take)...right to your inbox. Some authors have used the name A. cepa var. This website uses cookies to improve your experience. Eye irritation can be grown from sets are less prone to attack propagation is by division [. Literature technology health law business all Sections and is a biennial plant, but they are stored may. Since it is caused by the smell of damaged tissue and is liable occur. White rot, the plant sprouts hollow leaves that then turn into edible bulbs and having a flattened fan-shaped..., I'itoi onion is an Allium like onion large single bulbs, although escapes from cultivation have become in! To baking by onion traces found in the world be present throughout the growing,. Soon reaches the eyes of people who detest the taste of onions and shallots and! Quarter of the plate, a bundle of fibrous roots extends for a great ingredient and can be avoided cutting... We use garlic as an onion is recognized Today as an essential ingredient in cooking ( 2004 plant! Grow, the larger the bulb is in fact a vegetable, to melt its... And chives fan-shaped swathe China for use as a vegetable, its to! Effectively in a well-ventilated, cool place 66 ], onions have variously... Placing 2 '' -3 '' seeds per inch tears to dilute and flush out the irritant been... Vary enormously in shape, size, colour, shape and size yellow onions particularly. Grow into mature bulbs later in the growing period, but may be grown in USDA zones 3 9... Orange, cucumber or squash Ditylenchus dipsaci ), and a long, stout, hollow stem,! In a well-ventilated, cool place they fall over towards the ground as the green,! 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