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Bacterial Leaf Scorch, a New Blueberry Disease Caused by Xylella fastidiosa
Since 2004, growers and scientists have observed a disorder described as "yellow twig" or "yellow stem" affecting a major selection of southern highbush blueberry, FL 86-19, in the south Georgia bl...
Cicadomorpha Insects Associated With Bacterial Leaf Scorch Infected Oak in Central New Jersey
Potential insect vectors for transmission of oak leaf scorch caused by Xylella fastidiosa Wells et al., in pin and red oaks in New Jersey were surveyed by placing yellow sticky card traps in tree c...
Crop Vulnerability: Carya
Long-established native tree populations reflect local adaptations. Representation of diverse populations in accessible ex situ collections that link information on phenotypic expression to informa...
Fast, easy and efficient DNA extraction and one-step polymerase chain reaction for the detection of Xylella fastidiosa in potential insect vectors
A quick, simple and efficient procedure for detecting Xylella fastidiosa in potential insect vectors is described. The procedure employs a commercially available DNeasy tissue kit for the extractio...
First Report of Bacterial Leaf Scorch Caused by Xylella fastidiosa on Gleditsia triacanthos var. inermis in Pennsylvania
In the summer of 2019, three thornless honeylocust trees (Gleditsia triacanthos var. inermis) in Gettysburg, PA, were observed in a general state of decline. The trees were 50 to 64 cm in diameter ...
First Report of Bacterial Leaf Scorch Disease of American Elm Caused by Xylella fastidiosa in Georgia, USA
The American elm (Ulmus americana) is a highly desirable deciduous shade tree with moderately dense foliage and a symmetrical broad or upright vase-shaped crown. This plant is susceptible to variou...
Genetic Control of Growth Traits and Inheritance of Resistance to Bacterial Leaf Scorch in American Sycamore
Open-pollinated progeny tests of American sycamore (Platanus occidentalis L.), which included 55 open-pollinated families selected from several prior Westvaco progeny tests and seed orchards and si...
Genotyping Xylella fastidiosa in Rabbiteye blueberry in Louisiana, USA
Rabbiteye blueberry (Vaccinium ashei = V. virgatum) comprises much of the blueberry acreage in the southeastern USA states of Louisiana and Mississippi. Three genotypes of X. fastidiosa were iden...
Improved methods for detecting Xylella fastidiosain pecan and related Caryaspecies
Pecan bacterial leaf scorch (PBLS), caused byXylella fastidiosahas been reported in Georgia, Louisiana, Texas, New Mexico, Arizona, and California. Accurate methods are critical for the early det...
Pest categorisation of non-EU Cicadomorpha vectors of Xylella spp.
The Panel on Plant Health performed a group pest categorisation of non-EU Cicadomorpha vectors of Xylella spp. known to be associated with plant diseases. Although all the insects considered in thi...
