Plant & Pest Advisory

July 16, 2013 Dean Polk, Dave Schmitt, and Atanas Atanassov

Fruit IPM Report: Week Ending 7/20/13

Fruit IPM Report 7-20-13 – Click to View | Download | Print In this report: Brown Marmorated Stink Bug Peach Apple Grape Scouting Calendar Blueberry Trap Counts Brown Marmorated Stink Bug BMSB adults nymphs and egg masses are present in orchards, although far from a uniform pattern. Black light trap captures indicate a significant increase […]

Filed Under: Blueberry, Fruit, Tree Fruit, Wine Grape

July 16, 2013 Andy Wyenandt

Late Blight Update – 7/16/13

There have been no new reports of late blight in New Jersey or surrounding region over the past week. Importantly, now that late blight has been found in the region the threat for it to reappear will remain if weather conditions become favorable once again. The hot, dry weather forecasted this week should help reduce threat level for […]

Filed Under: Vegetable Crops

July 15, 2013 A.Wyenandt, W.Kline, and J.Ingerson-Mahar

Tomato Disease Forecasting Report 7-16-13

7-16-13 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

July 15, 2013 A.Wyenandt, W.Kline, and J.Ingerson-Mahar

Potato Disease Forecasting Report 7-16-13

Potato Disease Forecasting Report 7-16-13 – 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

July 15, 2013 Cesar Rodriguez-Saona

Cranberry: Root-feeding Pests

Occurrence of root-feeding insects will manifest by the presence of dead patches. Pull dead vines and search through the root zone and soil for grubs and worms. If your beds have damage caused by root-feeding insects, you should consider treatment with Imidacloprid (e.g. Admire Pro, Alias 4F, Alias 2F) immediately after bees are removed. Admire […]

Filed Under: Cranberry

July 12, 2013 Brad Majek

How Rainfall Influences Residual Herbicides

Heavy rains the past month have caused concern that residual preplant incorporated and preemergence herbicide applications may and not provide the length of weed control expected and increase the risk of crop injury compared to when rainfall is closer to average. The affect of the additional rainfall on herbicide activity and crop safety is complex, […]

Filed Under: Vegetable Crops