[Liste] 99 Cercospora Leaf Spot Azalea
Cercospora leaf spot circular to irregular brown spots up to 1 2 inch in diameter form on leaves especially lower leaves. In april and may leaves and buds of infected plants develop distorted growth.
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The spots may come together and form one major spot. 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. Cercospora azalea leaf spot circular to irregular dark brown leaf spots occur on both sides of the leaves varying in size from 3 20.Azalea lacebug upper surface of leaves has a gray blanched or coarse stippled appearance. 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. Some of the native rhododendron species azaleas are more susceptible than hybrid rhododendrons.
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