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.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 ...

www.missouribotanicalgarden.org/gardens-gardening/your-garden/help-for-the-home-gardener/advice-tips-resources/pests-and-problems/diseases/scabs/apple-scab.aspx

Apple scab is caused by the fungus Venturia inaequalis. It is common on susceptible apples and crabapples in Missouri and causes leaves to yellow and drop ...

extension.psu.edu/plants/tree-fruit/diseases/apple-diseases/apple-scab

Apple scab is Pennsylvania's most important apple disease, attacking wild and cultivated apple and crabapple. Early season disease management is primarily ...

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 ...

ipm.ucanr.edu/PMG/r4100411.html

Apple scab outbreaks can be predicted based on temperature and moisture conditions. The table below, derived from research by Mills and La Plante, gives  ...