Apple Scab
Superficial, velvety dark-olive-to-black spots on fruits and leaves are the initial symptoms of apple scab. These fruit spots become scablike with age and tissues may become misshapen. The fungus survives in dead leaves on the ground. Primary ... [... more]
University of California IPM |
Apple Scab, caused by Venturia inaequalis
Apple scab is of major economic importance in the mid-Atlantic region. If not controlled, the disease can cause extensive losses (70 percent or greater) where humid, cool weather occurs during the spring months. Losses result directly from fruit ... [... more]
caf.wvu.edu |
Apple Scab
Wayne F. Wilcox Department of Plant Pathology, NYS Agricultural Experiment Station, Cornell University Apple scab is the most economically destructive disease of apples in the world. In the Northeast it is usually not possible to produce apples ... [... more]
NY State IPM |
Bonide Products Captan Fruit & Ornamental Fung 8 Ounces ...
Multipurpose fungicide for ornamentals and fruits. Controls damping-off, powdery mildew, botrytis blossom blight, anthracnose, rust, brown rots, early blight and late blight. Controls apple scab, brown rot on peaches, black rot on grapes, black spot on [... more]
$19.07
Unbeatable Sale |
Insect Control and Bug Problems
Black Turpentine Beetle & It's Role in Pine Mortality - Cornell U. Cooley Spruce Gall Adelgid & Eastern Spruce Gall Adelgid - U. DE Crabapples Resistant to Apple Scab and Japanese Beetle in Indiana - Purdue Eastern and Forest Tent Caterpillars ... [... more]
Backyard Gardener |
Apple Scab Management Guidelines
Apple scab, caused by the fungus Venturia inaequalis, is generally considered a serious disease of apples in California, causing loss or severe surface blemishing of fruit. Apple scab is most severe in coastal areas where spring and early summer ... [... more]
University of California IPM |
Diseases of Apples and Other Pome Fruits
Introduction, Fireblight, Apple Scab and Related Diseases, Cedar-Apple Rust and Related Rusts, Powdery Mildew, Black Rot-Frogeye Leaf Spot, Sunscald - Plant Injury, Sunscald - Fruit Injury, Other Diseases, Leaf Spots, Canker Diseases, Fruit Spots ... [... more]
North Dakota State University |
Once Again Time for
Apple scab has been a serious disease problem on crabapples and apples the past few seasons as cool, wet spring weather is ideal for this disease to develop. While it is difficult to predict what will happen in 1998, apple scab management focuses ... [... more]
University of Illinois Extension |
Apple Scab & Black Knot
Members of the apple and cherry families provide many of our common small flowering trees but each family is susceptible to a disfiguring fungal disease. During spring these two diseases may infect disease prone plants. Cool, wet weather in ... [... more]
University of Illinois Extension |
Apple Scab
The fungus that causes apple scab on apples and crabapples is Venturia inaequalis. There are related fungi that cause scab on other plants in the rose family. Symptoms usually start on the undersides of leaves. Spots, at first, are small, ... [... more]
University of Illinois Extension |
Stateline Yard & Garden - Apple Scab Management Starts Early
If apple scab has not appeared on your crabapple or apple tree the past few years, chances are it is a resistant cultivar. Apple scab first appears as olive green to black spots or lesions on leaves. As the season advances, leaves turn yellow or ... [... more]
University of Illinois Extension |
Apple Scab Management Starts Early
With the return of spring this week, it won't be long before trees and shrubs are again leafing out. As leaves develop in spring, certain diseases may infect some trees. One example is apple scab, a fungus disease of flowering crabapples and ... [... more]
University of Illinois Extension |