Vegetable IPM Report 9-25-13 – Click to View | Download | Print Current Week’s Pest Maps – Available Maps for the week are highlighted European Corn Borer Map Corn Earworm Blacklight Map Corn Earworm Pheromone Map Brown Marmorated Stinkbug Map Vegetable IPM Pest Map Archive
Continue reading...September 21, 2013 Andy Wyenandt
Late Blight Reported: S.NJ Greenhouse Tomato – 9/21/13
An isolated case of Late blight has been confirmed in Southern New Jersey on a farm that was growing both field-grown and greenhouse-grown tomatoes. The pathogen originated in an old tomato planting that had been unsprayed since the last pick over 6 weeks ago. Left unscouted, the field developed Late blight and the pathogen moved into the greenhouse operation […]
Continue reading...September 20, 2013 Andy Wyenandt
Vegetable Disease Briefs – 9/20/13
Late blight has been reported in tomato on an organic farm near Long Valley in Morris County, New Jersey. The cooler weather along with longer periods of leaf wetness lasting into the morning hours this time of year makes conditions ideal for potential Late blight development. As a reminder, once fields or blocks of tomatoes […]
Continue reading...September 20, 2013 Andy Wyenandt
Vegetable Disease Update – 9/20/13
Carrots – Leaf blights – Powdery mildew, Alternaria and Cercospora. Alternaria and Cercospora are two soil-borne fungal pathogens that may cause early defoliation in carrots reducing yields and making harvest difficult. Both pathogens produce distinct symptoms on carrots.
Continue reading...September 19, 2013 Kris Holmstrom and Joe Ingerson-Mahar
Hawaiian Beet Webworm Returns
Rutgers NJAES/CE IPM personnel Tonia Broen and Joe Ingerson-Mahar have found heavy populations of Hawaiian beet webworm moths in 3 beet fields in East Vineland (Cumberland and Atlantic Counties); additionally, in a baby spinach field and field of fenugreek in the Franklinville area (Gloucester County). To read more, click the link below. Hawaiian Beet Webworm […]
Continue reading...September 18, 2013 Steven K. Rettke
Magnolia and Tuliptree Scales: Two Exceptions to the Rule
Magnolia Scales (Neolecanium cornuparvum) & Tuliptree Scales (Toumeyella liriodendri) are both classified within the soft scale group. However, unlike essentially all the other soft scale species they have crawler emergence in August & September instead of in June & July. This fundamental difference is important to recognize in order to time sprays & achieve best controls.
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