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Bacterial diseases; Bacterial spot Xanthomonas euvesicatoria pv. citrumelo: Black pit (fruit) Pseudomonas syringae: Blast Pseudomonas syringae: Citrus canker: Xanthomonas citri pv. citri: Citrus variegated chlorosis Xylella fastidiosa: Huanglongbing = citrus greening Candidatus Liberibacter asiaticus. Candidatus L. africanus
Citrus canker is a disease affecting Citrus species caused by the bacterium Xanthomonas (X.axonopodis; X. campestris). Infection causes lesions on the leaves, stems, and fruit of citrus trees, including lime, oranges, and grapefruit. While not harmful to humans, canker significantly affects the vitality of citrus trees, causing leaves and fruit ...
The 'Rio Red' variety is a 1984 registered Texas grapefruit with registered trademarks Rio Star and Ruby-Sweet, also sometimes promoted as Reddest and Texas Choice. The 'Rio Red' is a mutation-bred variety that was developed by treatment of bud sticks with thermal neutrons. Its improved attributes of mutant variety are fruit and juice color ...
Barbecues and mountain hikes could soon be redolent of grapefruit. The citrusy scent is given off by a new active ingredient for insecticides just officially registered by the U.S. Environmental ...
As the name indicates, citrus stubborn disease affects citrus plants, most severely oranges (especially naval and mandarin varieties), grapefruit, and tangelo trees. [7] Lemon and lime are also affected, but much less severely. [8] CSD is an unusual case of a plant disease shared between a vector, weed, and unrelated crop. [2]: 8
Citrus tristeza virus (CTV) is a viral species of the genus Closterovirus that causes the most economically damaging disease to its namesake plant genus, Citrus.The disease has led to the death of millions of Citrus trees all over the world and has rendered millions of others useless for production. [1]
This rootstock selection was hybridized from the Duncan grapefruit (Citrus paradisi Macfadyen) and the Poncirus trifoliata (L.) Raf. by Walter Tennyson Swingle in Eustis, Florida, in 1907. It was released by the US Department of Agriculture to nurserymen in 1974.
In 1958, CRC 2240 (pomelo) Robert K. Soost and James W. Cameron crossed with a seedy, white, tetraploid grapefruit. Two of the triploid offspring had particularly favorable characteristics. One was released in 1980 as 'Oroblanco'. The second was released as Melogold. Oroblanco was more similar to grapefruit, while Melogold was more similar to ...
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