Like clockwork, purple spot has appeared in some asparagus plantings during mid- to late-April for the past 3 years. Purple spot, caused the soil-borne fungus, Stemphylium vesicarium, can cause problems during cool, wet spring weather (much like we have had over the past week or so). Symptoms, just like its name, include numerous, sunken oval-shaped […]
Continue reading...April 27, 2017 Hemant Gohil
2017 New Jersey Commercial Tree Fruit Production Guide
Dear Fruit Growers, The 2017 New Jersey Commercial Tree Fruit Production Guide is available electronically for free. Anyone may print paper copies if they choose to. If you already have a copy of 2016 NJ Commercial Tree Fruit Production Guide, you only need to print 10 page addendum (first 10 pages), available at: https://njaes.rutgers.edu/pubs/publication.asp?pid=e002. Print copies […]
Continue reading...April 27, 2017 Andy Wyenandt
Controlling Strawberry Fruit Rots – 2017
Fruit rots in strawberry can cause significant losses if not recognized early and controlled. The use of good cultural practices such as keeping fields weed-free and promoting good drainage, long crop rotations, and preventative fungicide applications are critical. Pathogens such as anthracnose, gray mold (Botrytis), and leather rot (Phytophthora) can become systemic problems in strawberry […]
Continue reading...April 27, 2017 Andy Wyenandt
UMaine to Hold International Potato Disease Summit Nov. 9, 2017
Orono, Maine — Two bacteria threatening the potato industry worldwide will be the focus of a Potato Disease Summit Nov. 9 in Bangor, Maine, convened by the University of Maine. Plant pathologists, researchers and scientists from The Netherlands, Scotland and five U.S. states will present the latest information on the bacteria — Dickeya and Pectobacterium […]
Continue reading...April 23, 2017 Joe Ingerson-Mahar
Allium Leafminer Alert III in New Jersey
As of Friday, April 21, we confirmed that ALM is in south Jersey and it is likely that it can be found throughout the state. Infested field chives were found in East Vineland as well as in backyard chives in Atlantic County and onion sets in the Middlesex/Monmouth County area. Feeding scars have been found […]
Continue reading...April 22, 2017 Thierry Besancon
Controlling Emerged Marestail in Blueberry
In spring, one of the first weeds that will break through the residual herbicide coverage provided by preemergence applications is horseweed, aka marestail. Horseweed has two primary periods of emergence, from late March through June and from late summer through late fall. Some of the most problematic horseweed emerges in the fall and over winters […]
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