Cucumber downy mildew reported in North Carolina | North Carolina Cooperative Extension

Downy mildew, a devastating disease on cucumbers caused by the oomycete Pseudoperonospora cubensis, has been reported in North Carolina. It was observed on cucumber in Duplin (June 1, 2016) and Sampson (June 27, 2016) counties. The field had 1-5% disease incidence, with the infected plant/leaf having 35-40% disease severity. Source: Cucumber downy mildew reported in […]

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Watermelon downy mildew reported in North Carolina | North Carolina Cooperative Extension

Downy mildew, caused by the oomycete Pseudoperonospora cubensis, has been reported in watermelon in North Carolina. It was observed in Nash county (June 17, 2016) and the field presented 5% incidence with each infected plant/leaf having 50% severity. A recent report from Johnston county (June 23, 2016) was from a watermelon field with 5% incidence […]

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