[2] Susceptibility of Cider Apple Accessions to European Canker—Comparison between Evaluations in Field Planted Trees and Rapid Screening Tests. Plants (2022).

According to the Royal Horticultural Society: "Apple canker is a disease caused by a fungus, Neonectria ditissima, which attacks thebark of apples and some other trees, causing a sunken area of ...

Fire blight damage is a common problem with apple and pear trees in most of Virginia and West Virginia. Varieties such as Gala, Jonathan, Granny Smith, York and Jonagold are particularly susceptible ...

We saw die-back in trees coming out of winter. In some cases, it is environmental stress from drought stress and winter ...

Q: I have a sick 10- to 11-inch diameter maple tree (about 30 feet tall) on my lawn between the street and the sidewalk. The tree has developed a half-inch deep split in the bark on its southwest ...

Report suspected citrus canker infected trees to the Louisiana Department of Agriculture at 225.952.8100 or the U.S. Department of Agriculture state plant health director Bill Spitzer at 225.298 ...

European canker: A fungal disease affecting apple trees, characterised by cankers on trunks and branches that can lead to dieback and eventual tree loss. Neonectria ditissima: ...