Rutgers University | New Jersey Agricultural Experiment Station | Pesticide User Responsibility

July 18, 2018

Spotted Lanternfly in NJ

NEW PEST ALERT Spotted lanternfly (Lycorma deliculata, SLF) has been found in NJ. SLF is an invasive plant hopper species that could be very devastating to some NJ crops. Since its discovery in Pennsylvania in 2014, SLF has been placed under a state quarantine encompassing 13 Pennsylvania counties. Populations are also present in Virginia. SLF adults […]

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Filed Under: Blueberry, Fruit, Landscape, Nursery, & Turf, Plant Diagnostic Lab, Tree Fruit, Uncategorized, Vegetable Crops, Wine Grape Tagged With: , , ,
July 18, 2018

IPM Update 7/18/18

Sweet Corn European corn borer (ECB) moth catches in black light traps are showing signs of increase now.  This is an indication that the second flight is getting under way.  Catches overall are still quite low however, and there will be no map in this edition.  We expect to see increased feeding signs over the next two weeks, […]

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Filed Under: Organic Production, Vegetable Crops
July 18, 2018

Fruit IPM for 7/17/18

Peach: Oriental Fruit Moth (OFM): Third flight adults are present in southern counties and just starting to emerge in northern counties. Egg laying has started in southern counties and the first treatments are due now. Please see table below for timing:

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Filed Under: Blueberry, Fruit, Tree Fruit, Wine Grape
July 17, 2018

Potato | Tomato Disease Forecast 7-17-18

Click to View | Download Report 7-17-18 Potato Disease Forecasting Report We will be tracking DSVs for Late blight development and calculating P-days for initiating the first early blight fungicide application. The first late blight fungicide application is recommended once 18 DSVs accumulate from green row. Green row typically occurs around the first week in May […]

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Filed Under: Disease Forecasting Tagged With: ,
July 15, 2018

Root-feeding Pests of Cranberries

If your beds have damage caused by root-feeding insects, you should consider treatment with Imidacloprid (e.g. Admire Pro, Alias 4F, Alias 2F) after bees are removed. Occurrence of root-feeding insects will manifest by the presence of dead patches (see picture). Pull dead vines and search through the root zone and soil for grubs and worms. […]

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Filed Under: Cranberry, Fruit
July 13, 2018

Cucurbit Downy Mildew and Beet Armyworm Alert 7/13/18

Cucurbit Downy Mildew – New Occurrence Cucurbit Downy Mildew (CDM) was discovered on cucumbers near Belvidere, Warren County on Friday 7/13.  This occurrence is in addition to the previously reported infection sites in Salem County.  All growers statewide, should be adding appropriate downy mildew specific fungicides to their protection programs on cucumbers. Look for yellow “panels” on […]

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Filed Under: Organic Production, Vegetable Crops