Harvest starts very early in Sicily's drought-hit vineyards
On the hills of the Contessa Entellina vineyard in western Sicily, the harvest is already well underway, the grapes ripening earlier than usual because of drought and high temperatures.
On the hills of the Contessa Entellina vineyard in western Sicily, the harvest is already well underway, the grapes ripening earlier than usual because of drought and high temperatures.
Environment
Aug 8, 2024
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Native plants and non-native crops do not fare well in proximity to one another, attracting pests that spread diseases in both directions, according to two new UC Riverside studies.
Ecology
Jul 11, 2024
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Citrus fruits, celebrated for their zesty taste and dense flavonoid content, are integral to diets for their health-boosting properties. These natural compounds are linked to a spectrum of wellness benefits, yet the genetic ...
Molecular & Computational biology
Jul 9, 2024
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An ancient tree from India is now thriving in groves where citrus trees once flourished in Florida, and could help provide the nation with renewable energy.
Agriculture
Jul 6, 2024
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An orange teeming with antioxidants and other health benefits may be a shot in the arm for consumers and citrus growers, if the fruit is stored at cool temperatures, a new University of Florida study shows. The findings are ...
Agriculture
Jun 21, 2024
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Just as the world is coming out of the tea crisis, another breakfast staple, orange juice, is in the spotlight. Supply constraints have led to prices shooting up by more than 20% in a year.
Agriculture
Jun 10, 2024
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The citrus industry faces major challenges from Huanglongbing (HLB) disease, transmitted by the Asian citrus psyllid (ACP). Traditional control methods are often ineffective and environmentally harmful.
Molecular & Computational biology
Jun 6, 2024
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Huanglongbing (HLB), also known as citrus greening, poses a severe threat to citrus production worldwide. The disease is caused by the bacterium Candidatus Liberibacter asiaticus (Las), which has been challenging to culture ...
Cell & Microbiology
May 21, 2024
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It's one thing for a hybrid citrus tree to tolerate citrus greening disease (a.k.a. Huanglongbing) and quite another if it also produces orange-like fruit—especially if the juice makes for a delicious breakfast beverage. ...
Molecular & Computational biology
Feb 28, 2024
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The citrus industry in Florida, a historic hub for citrus (Citrus sp.) production, has been grappling with the devastating effects of Huanglongbing (HLB), also known as citrus greening disease (Candidatus Liberibacter asiaticus). ...
Agriculture
Feb 1, 2024
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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.
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