Week_4A_Tree_Diseases - Catastrophic Tree Diseases February...

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February 10 Catastrophic Tree  Diseases
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A “Wave Year” of infection
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Dogwood Anthracnose
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TAR SPOT - Norway maple
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Infection in May/June; yellow spots by mid-June
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Yellow spots begin to turn black in early July
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Tar Spot Disease Management Do Nothing
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Tar Spot Disease Management Nothing Rake and Destroy Fallen Leaves
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Tar Spot Disease Management Nothing Rake and Destroy Apply Fungicides
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This note was uploaded on 05/04/2009 for the course PLPA 2010 taught by Professor Hudler during the Spring '08 term at Cornell University (Engineering School).

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Week_4A_Tree_Diseases - Catastrophic Tree Diseases February...

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