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CHAMAECYPARIS DISEASES

By The Old House Web

CHAMAECYPARIS DISEASES


Blight caused by Phomopsis juniperovora can be a problem on young plants in nurseries or old plants in landscape situations. In young plants, branch tips turn brown and die back until the whole branch or young tree is killed. Trees over five years old are less susceptible. When older trees in landscapes are affected by tip blight, entire trees are seldom killed. Benomyl used at bud break, then two to three additional times at 10- to 14-day intervals, controls the disease.

Tip blight caused by Pestalotia funerea can infect trees during wet weather. The disease causes sooty pustules on the leaves, bark and cones.

Scorch may look like a disease but is caused by excessive direct sun, freezing stress, drought or mites. Freezing stress can be prevented by shading small plants in winter.

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