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Project Noah Nature School
Leaf gall: Caused by the fungus Exobasidium azaleae, this disease results in swelling of azalea and rhododendron leaves, and occasionally flower petals. The disease is not generally considered significant enough to warrant control. Usually removal of the leaf will be enough to minimise spread of the disease.
Spotted on Nov 6, 2012
Submitted on Nov 9, 2012
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