Rutgers Cooperative Extension
Artillery Fungus (Sphaerobolus): This wood decomposer is found in mulched areas and has probably caused the most concern to landscapers and potentially poses some economic concern to their clients. This fungus produces fruiting structures that resemble tiny cream or orange-brown cups that hold a spore mass resembling a tiny black egg (0.1 inches in diameter). […]
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In this edition: Insects – Pest Scouting with growing degree-days (250-600 GDD50) Scales Mites Diseases Needle casts (Rhabdocline and Swiss needlecasts – Douglas fir, & Rhizosphaera – spruces) Phytophthora Soil fertility – resources Please click “read more” below to get updates on pests, diseases, and other important resources for the week of 5/15/2023.
Continue reading...In this edition: Insects: Scale crawler emergence Borer insects Upcoming problem pests / Redheaded flea beetle / SLF / Pest Scouting Guides Diseases: Leaf spot / foliage disease management Fire blight on Rosaceous hosts Canker fungi Boxwood blight Oomycete root diseases (Phytophthora, Pythium, Phytopythium) Plant Spotlight: NJ native azalea species Please click “read more” below […]
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Peach: Bacterial Spot: Generally we recommend starting at 0.5 ozs metallic copper and gradually lowering the rate as the season progresses. The rate applied will depend on the formulation. Dr. Lalancette published a chart listing common copper formulations and rates for peach and nectarine applications. Avoid combining copper with captan especially if it has been […]
Continue reading...Peach: Bacterial Spot: Generally we recommend starting at 0.5 ozs metallic copper and gradually lowering the rate as the season progresses. The rate applied will depend on the formulation. Dr. Lalancette published a chart listing common copper formulations and rates for peach and nectarine applications. Avoid combining copper with captan especially if it has been […]
Continue reading...Sweet Corn There will be significant changes to insect trapping efforts in the Vegetable IPM Program for this season. At present, personnel are deploying black light and corn earworm (CEW) pheromone trap networks in central and northern New Jersey counties. In areas from central Burlington County southward, grower cooperators have been provided with CEW pheromone […]
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