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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 ...
Bizzarria of Florence (Citrus medica + C. aurantium), which is probably the first graft chimera obtained, is a graft between the Florentine citron and sour orange. It produces branches of regular Florentine citron including such leaves, and from the other side branches of sour orange.
Viroids and graft-transmissible pathogens [GTP] Algerian navel orange virus GTP Blight = young tree decline, rough lemon decline GTP Blind pocket GTP Cachexia Citrus cachexia viroid (Hostuviroid) Chlorotic dwarf White-fly transmitted GTP Citrus dwarfing Various viroids Citrus vein enation (CVEV) = woody gall GTP (possible luteovirus)
A major grower said this week it was abandoning its citrus growing operations, reflecting the headwinds Florida's signature crops are facing following a series of hurricanes and tree diseases.
Open form of the large Citrus psorosis ophiovirus particle. Negative-contrast electron micrograph (uranyl acetate); bar: 100 nm. 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.
A double graft union of diamante citron upon sour orange rootstock. Sour orange: the only rootstock that truly is an orange (the Citrus × aurantium or bitter orange). It is vigorous and highly drought-resistant. Poncirus trifoliata: a close relative of the genus Citrus, sometimes classified as Citrus trifoliata.
Family trees typically combine several cultivars (two or three being most common) of apple, pear or a given species of stonefruit on a single rootstock, while fruit salad trees typically carry two or more different species from within a given genus, such as plum, apricot, and peach or mandarin orange, lemon, and lime.
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.