Web Results

en.wikipedia.org/wiki/Apple_scab

Apple scab is a disease of Malus trees, such as apple trees, caused by the ascomycete fungus Venturia inaequalis. The disease manifests as dull black or ...

www.extension.umn.edu/garden/yard-garden/fruit/apple-pest-management/apple-scab

The most troublesome disease for apple growers in all parts of Minnesota is apple scab. Scab is caused by a fungus that infects both leaves and fruit. Scabby  ...

www.extension.umn.edu/garden/yard-garden/trees-shrubs/managing-apple-scab

Importance. Apple scab is a very common disease, and one of the most aesthetically damaging diseases of several ornamental trees and shrubs in Minnesota.

www.planetnatural.com/pest-problem-solver/plant-disease/apple-scab

A serious disease of apples and ornamental crabapples, apple scab (Venturia inaequalis) attacks both leaves and fruit. The fungal disease forms pale yellow or  ...

www.thetreegeek.com/problems/apple-scab

Apple scab is a foliar fungal disease caused by Venturia inaequalis. It is not considered a serious threat to crabapple or apple trees; however, repeated annual ...

www.extension.purdue.edu/extmedia/bp/bp-1-w.pdf

symptoms. Apple scab produces lesions that are most commonly observed on leaves, but may also be seen on blossoms, sepals, petioles, pedicels, and fruit.

ipm.ucanr.edu/PMG/PESTNOTES/pn7413.html

UC home and landscape guidelines for control of Apple and Pear Scab.

www.treehelp.com/apple-scab

Apple Scab is one of the most common diseases that attack apple trees. Apple Scab is caused by a fungus (Venturia inaequalis) which is most prevalent and ...

web.extension.illinois.edu/cfiv/homeowners/010331.html

Unfortunately some crabapple and apple trees are susceptible to a fungal disease called apple scab. Symptoms of apple scab usually start on the undersides of ...