White speck on vine and stem of infected pumpkin plant. Note the numerous small, white diamond shaped lesions.
White speck lesions covering the surface of immature and mature pumpkin fruit. White speck will only cause cosmetic injury to fruit.
Vegetable Crops Edition
Seasonal updates and alerts on insects, diseases, and weeds impacting vegetable crops. New Jersey Commercial Vegetable Production Recommendations updates between annual publication issues are included.
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August 16, 2013 Andy Wyenandt
Vegetable Disease Update 8/16/13
No Late blight has been reported in New Jersey this week.
Cucurbit downy mildew remains active.
White speck (or Plectosporium blight) has been reported in pumpkin. [Read more…]
August 14, 2013 Kris Holmstrom and Joe Ingerson-Mahar
Vegetable IPM Update: Week Ending 8/14/13
Note: A complete update will not be issued today.
Sweet Corn
Corn earworm (CEW) adult catches are rising throughout most of the state now. Only the northernmost counties still have few individual moth captures. Elsewhere, growers should be shortening their silk spray schedules to three days even if specific sites have abnormally low catches. Northern growers should prepare for the population to increase in their area very soon.
Generally, spray schedules should be as follows:
North: – 4 days
Central: – 3 days
South: – 3 days
August 8, 2013 Andy Wyenandt
Vegetable Diseases of the Week – 8/9/13
Phytophthora fruit rot of butternut squash
Leaf spots on an infected eggplant leaf caused by Phomopsis. (Note the black fruiting bodies in the center of the spots)
August 8, 2013 Andy Wyenandt
Vegetable Disease Update – 8/9/13
No Late blight has been reported in New Jersey this week.
Cucurbit downy mildew has been found on pumpkin in northern New Jersey.
Phytophthora blight remains active in many crops. The good news is that next week should bring some dry weather.
An early indication from our pepper bacterial leaf spot differential trial is that Race 6 is present in southern New Jersey. We’ll have more information later this fall.
Phomopsis leaf spot has been found on Italian eggplant. [Read more…]
August 7, 2013 Kris Holmstrom and Joe Ingerson-Mahar
Veg IPM Update: Week Ending 8/07/13
Vegetable IPM Report 8-07-13 – Click to View | Download | Print
Current Week’s Pest Maps – Available Maps for the week are highlighted
