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Crabapple Diseases — Plant Diseases — Penn State Extension

extension.psu.edu/pests/plant-diseases/all-fact-sheets/crabapple-diseases

Leaves yellow and fall prematurely, giving the tree a thin, bare appearance by ... disease is frequent and severe, apply a fungicide first when crabapple flower ...

Managing apple scab on ornamental trees and shrubs : Yard and ...

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

Scab is caused by the fungus Venturia inaequalis. This fungal pathogen infects several host species including crabapples and apples (Malus spp.), mountain ...

HGIC 2000 Apple & Crabapple Diseases : Extension : Clemson ...

www.clemson.edu/extension/hgic/pests/plant_pests/trees/hgic2000.html

Many diseases commonly occur on apple (Malus domestica) and flowering crabapple trees (Malus species), which can reduce flowering and the quality of the ...

Leaf Fungus on Flowering Crabapple Trees | Home Guides | SF Gate

homeguides.sfgate.com/leaf-fungus-flowering-crabapple-trees-41619.html

Maintaining consistent, optimal care of flowering crabapple trees gives them a greater ability to avoid and recover from diseases. For best flowering and fruit ...

Fungus causes crabapple tree to lose leaves - Daily Herald

www.dailyherald.com/article/20100807/entlife/308079989/

Aug 10, 2010 ... Q. I have a flowering crabapple tree that is losing leaves. All during the spring the tree flowered and was beautiful. Now, the leaves turn yellow ...

Apple Scab Causes Naked Crabapple Trees | News

www.extension.iastate.edu/news/2007/jul/062704.htm

Jul 30, 2007 ... Across Iowa, crabapple trees have been dropping leaves this summer. ... The answer is a fungal disease called apple scab. A fungus called ...

Nasty Fungus Brings Spring Blight To Crab Apple Trees ...

articles.chicagotribune.com/1995-06-07/news/9506070316_1_crab-apple-trees-tree-care-morton-arboretum

Jun 7, 1995 ... Larry Hall wasn't surprised when he looked out the window of his Arlington Heights home and saw his once-proud stand of six flowering crab ...

Questions On Flowering Crab

www.ext.nodak.edu/extnews/hortiscope/tree/flwringcrb.htm

Q: I have a two-year-old flowering crab apple tree that was given to our family to mark ... They are effective at preventing diseases from starting and keeping the ...

Be on the Lookout for Apple Scab - The Homeowners Column ...

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 ...

What Can I Do if the Leaves on My Crabapple Tree are Turning ...

www.bhg.com/gardening/pests/insects-diseases-weeds/what-can-i-do-if-the-leaves-on-my-crabapple-tree-are-turning-yellow-and-brown-and-are-covered-with-dark-spots/

It is also possible that your tree has apple scab -- a fungal disease common on apple and crabapple trees that is ugly and prevalent in many parts of the country.

More Info

common diseases of crabapple - CT.gov

www.ct.gov

watering during periods of drought. Pruning crabapples in late winter to “open” the canopy of the tree helps to reduce disease by increasing air circulation, which  ...

Crabapple - TreeHelp.com

www.treehelp.com

Crabapple tree in bloom, Close-up of crabapple blossoms. Malus 'snowdrift' .... Diseases. Many new flowering crabapples are disease resistant or tolerant.

Crabapple Tree Disease | Home Guides | SF Gate

homeguides.sfgate.com

Choosing crabapple tree (Malus spp.) cultivars resistant to the diseases known to thrive in your area is the best way to prevent disease. For example, hardy in ...