Blueberries: Blueberry Maggot (BBM): No blueberry maggot adults were found last week. However, the first fly was caught on Tuesday July 6 in Hammonton.
Continue reading...July 7, 2021 Kris Holmstrom and Joe Ingerson-Mahar
Vegetable IPM Update 07/07/21
NOTE: Cucurbit downy mildew (CDM) was detected on cucumbers at the Snyder Research and Extension Farm in Hunterdon County on Wednesday 07/07/21. No other cucurbit crops exhibited signs of infection. Growers should assume that CDM races that infect cucumber and possibly muskmelons are now active in ALL parts of the state. See the Pumpkin and Winter […]
Continue reading...July 7, 2021 Cesar Rodriguez-Saona
Post-Bloom Insect Pest Management
Sparganothis Fruitworm Degree-Day Update: as of July 07, 2021 Based on our degree-day (DD) model for Sparganothis fruitworm, the window for egg hatch is between 895 and 1,890 DD (see chart). As of July 07, Sparganothis has accumulated 1,251 DD (using April 15 as biofix). This indicates that most eggs should have hatched by now […]
Continue reading...July 6, 2021 Tim Waller
Nursery – Pest Scouting Guide for July – BWB and RHFB Reminders
NURSERY PEST SCOUTING GUIDE – JULY (1300-2200 GDD50) Please download and print the pest scouting guide resources (printable version of the information below for your desk or truck) –(click on the link and then print): Nursery Pest Scouting Guide (1300-2200) GDD50 Mid-season Conifer Specific Pest Scouting Guide (600-2200) GDD50 To determine your local growing degree-days, […]
Continue reading...July 6, 2021 Andy Wyenandt
Vegetable Disease Update – 7/6/21
Cucurbit downy mildew has been reported on cucumber (6/16/21) and cantaloupe (6/22/21) in southern New Jersey. There have been no reports of CDM on other cucurbit hosts in the region to date. For more information on CDM and its control please click here. To track the progress of CDM please visit the CDM forecasting website. […]
Continue reading...July 6, 2021 Steven K. Rettke
Mimosa Webworm Activity Begins
Mimosa Webworm (Homadaula anisocentra) = (880-1200 GDD = 1st generation egg hatch): The overwintering pupal cocoons of this non-native caterpillar emerged as adults last June & eggs have been laid on leaflets or small twigs of honeylocust (Gleditisia tricanthos ) trees in NJ. This caterpillar also feeds on mimosa trees, but since honeylocust plantings in […]
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