Rutgers Cooperative Extension
Based on our degree-day (DD) model for Sparganothis fruitworm, peak flight is expected at around 884 DD (see chart). As of June 22, Sparganothis fruitworm has accumulated 827 DD (using April 15 as biofix; a biofix more realistic to New Jersey practices). Based on the April 15 biofix, egg laying should have been initiated. However, […]
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Sweet Corn Low numbers of European corn borer (ECB) moths remain active in areas where blacklight traps are operating in the northern and central counties, although feeding in whorl and pre-tassel stage corn is low and sporadic in occurrence. The highest feeding levels are in southern Hunterdon and Monmouth counties. ECB injury around 20% […]
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Incorporate food safety into your hydroponics setup and worker training. August, 17, 2023 12:00 – 1:00 p.m. Free! Register online You will get the link to sign on or call in a few days before the event. Hydroponic growers use a variety of methods to grow, harvest, and pack produce. This webinar will focus on […]
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Azalea Lace Bugs (802-1029 GDD = 3rd generation): The third generation of this pest will be in full swing for much of NJ by the end of the month. Look for the presence of nymphs (spiny, black), adults (larger, lacy wings), fecal spots (brown, shiny spots) on the underside of leaves, and stippling (feeding damage from […]
Continue reading...Peach: Bacterial Spot: Fruit symptoms from have begun to appear in southern counties. So far fruit symptoms are very low and only in highly susceptible varieties. One of the few benefits of a spring dry spell is lower disease incidence. Peaches are at or past pit hardening and fruit now has some resistance to bacterial […]
Continue reading...Sweet Corn Low numbers of European corn borer (ECB) moths continue to be captured in a few of the remaining blacklight traps in the northern and central counties, although feeding in whorl and pre-tassel stage corn is low and sporadic in occurrence. The highest feeding levels are in southern Hunterdon County. ECB injury over […]
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