Vegetable Disease Update – 5/14/19

  • The cool, damp weather the past week has been ideal for downy mildew development on spring crops. Growers are advised to scout fields on a regular basis
  • The heavy rains and damp, cool weather have been ideal conditions for early-season damping off caused by Pythium. Growers should continue to scout on a regular basis and remain proactive in their fungicide programs as long as current weather patterns continue.
  • Sunburn on stems of newly transplanted peppers on black plastic mulch has been reported.
  • Cercospora leaf spot on swiss chard has been reported this past week.
  • Cucurbit downy mildew has been reported as far north as St. Lucie County, Florida.