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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.
Viral diseases; Citrus mosaic Satsuma dwarf-related virus: Bud union crease Virus for some combinations, otherwise genetic or unknown Citrus leaf rugose genus Ilarvirus, Citrus leaf rugose virus (CLRV) Citrus yellow mosaic genus Badnavirus: Crinkly leaf Crinkly leaf virus (strain of Citrus variegation virus) Infectious variegation
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 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 ...
Citrus leprosis (CL) is an economically important viral disease affecting citrus crops. This emerging disease is widely distributed in South and Central America, from Argentina to Mexico. The disease is associated with up to three different non-systemic viruses, which cause similar symptoms in the citrus hosts and are transmitted by the same ...
Citrus psorosis ophiovirus is a plant pathogenic virus infecting citrus plants worldwide. [2] It is considered the most serious and detrimental virus pathogen of these trees. Psorosis disease
It causes a disease known as Mal secco on citrus trees. It occurs in dry, cool climates such as the Mediterranean, Black Sea and Asia Minor. It forms pycniospores that are carried short distances by rain, or by wind to new leaves, where germinated hyphae invade stomata or more likely fresh wounds. [1]
It is the organism that causes the most destructive fungal disease, anthracnose, of lupin species worldwide. [1] It also causes the disease postbloom fruit drop on many varieties of citrus, especially Valencia and navel oranges in Florida. [2]