Michigan State University Extension
Ornamental Plants plus Version 2.0 - 00000048
01/01/98

ACONITUM DISEASE PROBLEMS

Crown rot attacks the crown and invades the main roots.     
The plants yellow, wilt and fall over.  Black streaks form  
in the stem tissue.  Avoid infested soil.  No chemical      
control is available.                                       

Verticillium wilt causes leaf drying and poor flowering.    
The water conducting tissues of the plants are blackened    
and infested plants decline over a period of years.  Avoid  
infested soil.  No chemical control is available.           

Bacterial spot causes spots on leaves.  Remove and destroy  
infected leaves as noticed and cut and discard old stems    
in the fall.                                                

Powdery mildew causes a white powdery growth on the         
leaves.                                                     

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