Vegetable Disease Briefs – 8/15/16

  • Cucurbit downy mildew has been confirmed on cucumber in New Jersey. To date, cucurbit downy mildew has been reported on cucumber and melon in the mid-Atlantic region. All cucumber growers need to add a downy mildew-specific fungicide to their weekly fungicide programs. All cucurbit growers need to scout on a regular basis.
  • There have been no new reports of Late blight in tomato or potato.
  • Dickeya dianthicola has been confirmed in 12 states to date. All potato growers are encouraged to scout fields and report any suspect plants/tubers. The best method for keeping your potato operation Dickeya-free is to adopt your own 0% Dickeya-tolerance policy. Click here for the latest Dickeya update.
  • Pepper anthracnose is being reported in southern New Jersey.
  • Cucurbit powdery mildew is active on all cucurbit crops.