Cercospora Leaf Spot Azalea

A soil borne disease that flourishes in damp warm airless conditions it can be passed on in an. Some of the native rhododendron species azaleas are more susceptible than hybrid rhododendrons.

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Cercospora leaf spot azalea!!!

Spray undersides of the leaves with malathion dimethoate cygon or acephate orthene. Dark brown pimple like fungal fruiting structures form within the spots. Cercospora azalea leaf spot circular to irregular dark brown leaf spots occur on both sides of the leaves varying in size from 3 20. The circular spots are often small and scattered and usually measure 1 8 to 1 4 inches in diameter.

It begins as brown or purple spots on the leaves at or near the base of the plant. A fungal pathogen cercospora hydrangeae is the causal agent for the disease called cercospora leaf spot. Spots may become tan in the center and may have a yellow halo. Cercospora leaf spot circular to irregular brown spots up to 1 2 inch in diameter form on leaves especially lower leaves.

Cercospora leaf spot cercospora leaf spot is a common disease that usually infects when leaves are regularly wet by rain or irrigation. Infected leaves may fall. Leaf gall leaf gall exobasidium vaccinii is a very common fungal disease in the early spring on azaleas and occasionally on rhododendrons. Cercospora leaf spot is a fungal disease that affects crops ornamental plants shrubs and flowers.

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