Areolate Mildew Confirmed in North Carolina

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Areolate mildew (Ramularia areola syn. Ramularia gossypii) has been confirmed on samples collected from Halifax County, North Carolina. This is likely not the only field given recent wet weather conditions. Symptoms of this disease including white mildew covering parts of or entire leaves. These symptoms appear at the lower portion of the canopy and work their way upwards, in some cases very rapidly. Hyphal mats or white strands of the fungus can be observed when examined closely. Should you suspect the presence of this disease, contact your local county agent and samples should be sent to the NC State University Plant Disease and Insect Clinic for confirmation. To submit a sample, send several detached leaves in a plastic bag, along with a damp paper towel to prevent desiccation (if mailing a sample, leave the paper towel dry). If the sample can’t immediately be sent to the clinic, it should be refrigerated until it can be sent.

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Areolate Mildew Confirmed in North Carolina