Plant & Pest Advisory

May 20, 2025 Janine Spies and Kaitlin Quinn

Fruit IPM Report May 20, 2025

Peach: Bacterial Spot: Copper formulations should be used starting at petal fall to suppress 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 […]

Filed Under: Fruit, Tree Fruit, Wine Grape

May 19, 2025 Tim Waller, William Errickson and Steven K. Rettke

Ornamental IPM 5/13 Recording Upload – NUMEROUS PEST ALERTS

Still time to Sign up for the 2025 – Rutgers Ornamental IPM Program (Join us for the next Session Tuesday 5/27/25) PREVIOUS SESSION: (contains information on boxwood pests, armored scales, needlecast diseases, oomycetes ) Click here for a PDF of May 13, 2025 webinar Click here for VIDEO of May 13, 2025 webinar Note we […]

Filed Under: Christmas Trees, Landscape, Nursery, & Turf, Nursery, Turf Tagged With: 2025 Christmas tree IPM, 2025 nursery IPM, boxwood blight, boxwood blight risk model, bronze birch borer, BWB25, Christmas tree, Christmas tree IPM, clearwing borer, cryptomeria scale, elongate hemlock scale, emerald ash borer, field nursery, mites, Nursery, Nursery IPM, Ornamental IPM Program, peachtree borer, phytophthora, Phytopythium, Pythium, red headed flea beetle, redheaded flea beetle, spruce spider mite

May 16, 2025 Hemant Gohil and Daniel Ward

Deer Damage Control in the Vineyard

New Jersey’s high deer population significantly threatens vineyards, particularly those near wooded areas. Deer are a pest, especially on young vines and in the early growing season when food sources are scarce, and tender shoots are emerging. If the vineyard is close to the deer population, management is needed for the long-term productivity of the […]

Filed Under: Blueberry, Cranberry, Fruit, Organic Production, Strawberry, Tree Fruit, Uncategorized, vegetable, Wine Grape Tagged With: deer damage, killing deer, permanent fence, repellent, temporary fence

May 15, 2025 Amanda Quadrel and Maria Cramer

Vegetable IPM Update 5/15/25

Greetings from the Veg IPM team! No major changes have taken place between last week and this week, and with the rainy weather, scouting has been limited. Sweet Corn We’ve put out corn earworm pheromone traps throughout the state. While silking corn is the main target of CEW activity, we set the traps early to […]

Filed Under: Organic Production, vegetable, Vegetable Crops Tagged With: cole crops, Insect management, IPM, sweet corn, tomato

May 15, 2025 Hemant Gohil and Peter Oudemans

Crown Gall in Grapevines – Early Symptoms and Management.

What is Crown Gall? Crown gall is a serious disease affecting grapevines, particularly in cool-climate viticulture. It is caused by the soil- and plant-borne bacterium Agrobacterium vitis (A. vitis). This pathogen induces tumor-like growths (galls) that disrupt the grapevine’s vascular system, reducing the flow of water and nutrients from roots to shoots. If left unmanaged, crown […]

Filed Under: Blueberry, Fruit, Strawberry, Tree Fruit, Wine Grape Tagged With: Agrobacterium, Crown Gall, graft union, Hilling Up, Symptoms

May 12, 2025 Janine Spies and Kaitlin Quinn