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Oleander leaf scorch is a disease of landscape oleanders (Nerium oleander) caused by a X. fastidiosa strain that has become prevalent in California and Arizona, starting in the mid-1990s. This disease is transmitted by a type of leafhopper (insect) called the glassy-winged sharpshooter (Homalodisca coagulata).
A bacterial disease known as oleander leaf scorch (Xylella fastidiosa subspecies sandyi [31]) has become a serious threat to the shrub since it was first noticed in Palm Springs, California, in 1992. [32]
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Nerium oleander: oleander Apocynaceae: All parts are toxic, the leaves and woody stems in particular. Contains nerioside, oleandroside, saponins and cardiac glycosides. Causes severe digestive upset, heart trouble and contact dermatitis. [citation needed] The smoke of burning oleander can cause reactions in the lungs, and can be fatal. Nicandra ...
A microbial plant parasite, Xylella fastidiosa, is carried by this species, and is linked to many plant diseases, including phoney peach disease in the southern United States, oleander leaf scorch and Pierce's disease in California, and citrus X disease (citrus variegated chlorosis) in Brazil.
Shocking before-and-after photos show California's famed Clear Lake turn bright green. Terry Castleman. May 31, 2024 at 1:04 PM. A view of Clear Lake with Mount Konocti in the background on Dec. 1
Oleander aphid can act as a vector of viruses in the genus Potyvirus and Cucumovirus. The following viruses are known to be vectored by oleander aphid: Araujia mosaic virus [13] Bean yellow mosaic virus [14] Bittergourd mosaic virus [15] Citrus tristeza virus [16] Cucumber mosaic virus [17] Lentil mosaic virus [18] Papaya ringspot virus [19 ...
The larval stage of the polka-dot wasp moth, commonly called the oleander caterpillar, is widely known for its gluttonous appetite. The caterpillar feeds in almost any location (excepting California) where its food, the oleander plant, can be found. They are gregarious and can cause damage from minor to severe.