Plant & Pest Advisory

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

June 11, 2013 Richard Buckley

Maskelled Bandit

maskell scale cryptomeria arborvitae 5.31.13 - ST 005

If you don’t pay attention, the Maskell bandit will steal the health of your conifers. Maskell scales, Lepidosaphes pallida, will cause needle browning and branch dieback on Cryptomeria, Sciadopitys, and Pinus thunbergiana. Heavy infestations can cause tree death.

Filed Under: Landscape, Nursery, & Turf, Plant Diagnostic Lab Tagged With: scale

June 11, 2013 Dean Polk, Dave Schmitt, and Atanas Atanassov

Fruit IPM Report: Week Ending 6/11/13

Fruit IPM Report 6-11-13 – Click to View | Download | Print In this report: Peach Apple Pear Wine Grape Scouting Calendar Blueberry Trap Counts

Filed Under: Blueberry, Tree Fruit, Wine Grape

June 11, 2013 A.Wyenandt, W.Kline, and J.Ingerson-Mahar

Potato Disease Forecasting Report 6-11-13

Potato Disease Forecasting Report 6-11-13 – Click to Download 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 in southern […]

Filed Under: Disease Forecasting

June 11, 2013 A.Wyenandt, W.Kline, and J.Ingerson-Mahar

Tomato Disease Forecasting Report 6-11-13

6-11-13 Tomato Report – Click to Download Disease severity values (DSVs) for early blight, septoria leaf spot, and tomato anthracnose development are determined daily based on leaf wetness (due to rainfall, dew) and air temperature. On a daily basis DSV values can range from 0 to 4 where 0 = no chance for disease development […]

Filed Under: Disease Forecasting

June 10, 2013 Cesar Rodriguez-Saona

On-Farm Research Results in Cranberry: Altacor

Rutgers Technician Robert Holdcraft sweeping a cranberry bed.

Altacor is a new insecticide registered in cranberries. A few weeks ago we conducted an experiment to test the efficacy of Altacor® (DuPont) at 4.5 oz/acre against spotted fireworm larvae.

Filed Under: Cranberry, Fruit

June 7, 2013 Andy Wyenandt

2013 Cucurbit Downy and Powdery Mildew Management Guidelines

by Margaret McGrath, Beth Gugino, Kate Everts, Steve Rideout, Nathan Kleczewski, and Andy Wyenandt 2013 Fungicide Resistance Management Table for Cucurbit Downy and Powdery Mildew Control Producing a high-quality cucurbit crop necessitates effectively managing downy mildew. This foliar disease is common in the mid-Atlantic and northeast because the pathogen produces a large quantity of asexual […]

Filed Under: Vegetable Crops