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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 greening was first found in 2005 in the US and has cut the Orange tree production in half [2] [3] Citrus greening disease [4] (Chinese: 黃龍病; pinyin: huánglóngbìng abbr. HLB) [5] is a disease of citrus caused by a vector-transmitted pathogen. The causative agents are motile bacteria, Liberibacter spp.
Citrus blight is a type of plant blight. The effects of citrus blight were first documented in the early 20th century. The disease afflicts plants in tropical and subtropical environments; regions impacted by the disease include North America and South America, the Caribbean, South Africa, and Australia.
Common hosts of this disease are citrus and herbaceous plants like sweet orange, grapefruit, mandarin, and Mexican lime. [3] Symptoms of infected hosts consist of interveinal chlorotic flecks and leaf mottling in younger tissues–in more severe cases these symptoms persist in older tissues.
Whether or not Citrus Black Spot is present in Japan and New Zealand is controversial. In both countries the fungus was thought to have been found, but after further testing it was identified as the non-pathogenic strain , Phyllosticta capitalensis , rather than the pathogenic strain Phyllosticta citricarpa which causes Citrus Black Spot. [ 8 ]
Orange juice futures are hitting record highs because of bad weather and a nasty citrus disease. That could mean higher prices at the grocery store . In recent weeks, prices in the OJ futures ...
Citrus exocortis is a disease of citrus plants, caused by the Citrus exocortis viroid (CEVd, Pospiviroid exocortiscitri). It can cause stunted growth and reduced yields in affected plants. The disease is also sometimes called "scalybutt". [1] CEVd can also infect tomato plants. The resulting disease is sometimes called "tomato bunchy top ...
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