Michigan State University Extension
Ornamental Plants plus Version 3.0 - 00000048
11/12/99
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.
Related information.
Pesticide Recommendations
Verticillium Wilt
Powdery Mildew
Fungal and Bacterial Leaf
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This file was generated from data base ZZ on 01/19/00.
Data base ZZ was last revised on 11/12/99.
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