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Calendar of When to Expect Major Diseases in Cucurbits in the Northeast USA

Please refer to the chart below

 

Calendar of When to Expect Major Diseases in Cucurbits in the Northeast USA
             
Month: May June July August September October
Weather Factors: Cool & Wet Cool & Wet Warm to Hot Warm, Dry Warm to cool Cool & Wet
    Vectors emerge Mod rainfall Mod rainfall Mod rainfall  
        Morning Dews Long dews  
Disease:            
             
Septoria leaf spot            
             
Bacterial wilt            
             
Scab            
             
Powdery mildew            
             
Viruses            
             
Phytophthora Blight            
             
Gummy Stem/Black rot            
             
Alternaria leaf blight            
             
Anthracnose            
             
Downy mildew            
             
Fusarium wilts