Vegetable Disease Briefs – 6/30/16

  • Basil downy mildew has been confirmed in southern and central New Jersey.
  • Cucurbit downy mildew has been confirmed as far north as Maryland this week.
  • Bacterial canker in tomato has been reported.
  • Angular leaf spot of cucumber has been reported. Water-soaked lesions similar to cucurbit downy mildew appear on the bottom of the leaves at first. In the case of angular leaf spot, caused by a bacterium, no spores will develop on the underside of leaves.
  • Reports and sampling for Dickeya dianthicola  in potato across the east coast continue.