Rutgers Cooperative Extension
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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In this edition: Insects: MORE Scale crawlers emerging Borers Beetles Diseases: Oomycete root diseases (Phytophthora, Pythium, Phytopythium) Leaf spots / foliage diseases Boxwood Blight – reminder Virus observations Nutrient Management Managing Soluble Salts by monitoring EC Plant Tissue analysis Plant Spotlight: American Holly (Ilex opaca) Cumberland Nursery / NJNLA – Twilight: tonight (6/15) for NURSERYMEN […]
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Have you taken a look at your sycamore lately? Seeing any leaves this spring? Looks like a little problem! Samples of deciduous shade trees diagnosed with anthracnose have steadily found their way into Rutgers Plant Diagnostic Laboratory this spring. Anthracnose is a common fungal disease of shade trees that results in angular leaf spots, cupping […]
Continue reading...Cucurbit downy mildew has been confirmed on cucumber in Atlantic County in southern New Jersey. This is the first report of CDM in the state and region this growing season. All cucumber and cantaloupe growers should scout on a daily basis and initiate a preventative fungicide program immediately. All other cucurbit plantings need to be […]
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