News tagged with citrus
Lemonade can help prevent kidney stones
(PhysOrg.com) -- We've all heard the expression, "when life gives you lemons, make lemonade." Passing a kidney stone would qualify for one of life's "lemons," but did you know that drinking lemonade has been shown to prevent ...
Apr 22, 2010 |
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Genomes of citrus canker pathogens decoded
An international team of scientists from Brazil and the United States have completed the draft genome sequences of two strains of the Xanthomonas bacteria that cause citrus canker. Citrus canker, a belligerent disease that h ...
Apr 22, 2010 |
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Citrus surprise: Vitamin C boosts the reprogramming of adult cells into stem cells
Famous for its antioxidant properties and role in tissue repair, vitamin C is touted as beneficial for illnesses ranging from the common cold to cancer and perhaps even for slowing the aging process. Now, ...
Dec 24, 2009 |
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Researchers Release New Citrus Variety (w/ Video)
(PhysOrg.com) -- Citrus researchers at the University of California, Riverside have released a new mandarin (or tangerine) for commercial production. Named ‘DaisySL’ for Daisy seedless, the new fruit is finely ...
Aug 04, 2009 |
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Study finds citrus-derived flavonoid prevents obesity
(PhysOrg.com) -- A flavonoid derived from citrus fruit has shown tremendous promise for preventing weight gain and other signs of metabolic syndrome which can lead to Type 2 Diabetes and increased risk of cardiovascular disease. ...
Medicine & Health / Medical research
Jul 13, 2009 |
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Spinach genes may stop deadly citrus disease
Citrus growers worldwide who currently have no cure for a devastating, tree-killing disease may soon find relief from an unlikely source: spinach.
Mar 27, 2012 |
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Citrus greening bacterium may 'ring the dinner bell' to attract insect
The bacterium responsible for citrus greening causes infected trees to give off a scent that rings the dinner bell for the disease-carrying insect, University of Florida researchers say.
Mar 23, 2012 |
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UF research begins to unlock 'formulas' for taste, aroma appeal of tangerines
(PhysOrg.com) -- University of Florida researchers are working to speed up their ability to create new tangerine varieties by pinpointing the compounds that make them taste and smell the way they do.
Mar 20, 2012 |
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Researchers discover 'green' pesticide effective against citrus pests
University of Florida researchers have discovered a key amino acid essential for human nutrition is also an effective insecticide against caterpillars that threaten the citrus industry.
Jan 17, 2012 |
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Scientists release natural enemy of asian citrus psyllid
(PhysOrg.com) -- University of California, Riverside scientists released a natural enemy of the Asian citrus psyllid (ACP) this morning on campus to help control the spread of the psyllid, an invasive pest ...
Dec 21, 2011 |
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Sweet innovation for citrus fruits
Researchers in Spain have developed sophisticated machines to sort citrus fruit before they reach consumers. The prototypes can detect and separate rotten oranges, and can classify mandarin segments. Citrus ...
Oct 19, 2011 |
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Oranges and mandarins are inspected using artificial vision
Scientists at the Valencian Institute of Agrarian Research (IVIA, Spain) have created a machine that detects and separates rotten oranges, another that classifies mandarin segments according to their quality and another that ...
Oct 11, 2011 |
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Foreign insects, diseases got into US
(AP) -- Dozens of foreign insects and plant diseases slipped undetected into the United States in the years after 9/11, when authorities were so focused on preventing another attack that they overlooked a ...
Oct 10, 2011 |
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Insecticide resistance developing in psyllid that carries citrus disease
(PhysOrg.com) -- In Florida's war against citrus greening, producers face a new threat -- the insects they’re fighting are becoming less sensitive to insecticides, according to a new University of Florida study.
May 10, 2011 |
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Tango mandarins to appear this month in produce aisles
The first commercial crop of a new mandarin variety created by scientists at the University of California, Riverside will be harvested beginning later this month.
Jan 07, 2011 |
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Citrus
Citrus is a common term and genus (Citrus) of flowering plants in the rue family, Rutaceae. Citrus is believed to have originated in the part of Southeast Asia bordered by Northeastern India, Myanmar (Burma) and the Yunnan province of China. Citrus fruit has been cultivated in an ever-widening area since ancient times; the best-known examples are the oranges, lemons, grapefruit, and limes.
The generic name originated in Latin, where it specifically referred to the plant now known as Citron (C. medica). It was derived from the ancient Greek word for cedar, kεδρος (kedros). Some believe this was because Hellenistic Jews used the fruits of C. medica during Sukkot (Feast of the Tabernacles) in place of a cedar cone, while others state it was due to similarities in the smell of citrus leaves and fruit with that of cedar. Collectively, Citrus fruits and plants are also known by the Romance loanword agrumes (literally "sour fruits").
The taxonomy and systematics of the genus are complex and the precise number of natural species is unclear, as many of the named species are clonally propagated hybrids, and there is genetic evidence that even some wild, true-breeding species are of hybrid origin. Cultivated Citrus may be derived from as few as four ancestral species. Natural and cultivated origin hybrids include commercially important fruit such as the oranges, grapefruit, lemons, some limes, and some tangerines.
Research suggests that the closely related genus Fortunella (kumquats), and perhaps also Poncirus and the Australian Microcitrus and Eremocitrus, should be included in Citrus; most botanists now classify Microcitrus and Eremocitrus as part of the genus Citrus. Two additional genera: Triphasia and Clymenia are likewise very closely related, and bear hesperidium fruits, but are not considered part of the Citrus genus. At least one, Clymenia, will hybridize with kumquats and some limes.
For more information about Citrus, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
