Rutgers Cooperative Extension
Sweet Corn European corn borer (ECB) catches have declined somewhat over the past week. As this has happened, feeding signs in NJ sweet corn plantings have increased. Overall, activity is lower than expected this year, likely due to adverse weather conditions. The highest catches remain in southern Hunterdon County (see map at left), with lower activity elsewhere. At present, infestation rates […]
Continue reading...Pythium root rot has been reported in multiple crops across the state. Unfortunately, the prolonged, wet weather across most of New Jersey has been ideal for its development. There are a number of options for early-season control of pre- and post emergent damping-off pathogens. For more information click here. Downy mildew has been reported as […]
Continue reading...Click to View | Download Report 6-6-17 Potato Disease Forecasting Report 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 […]
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Based on our degree-day model for Sparganothis fruitworm, flight initiation is expected at around 596 DD (see chart). As of June 3, Sparganothis has accumulated 648 DD (using March 1 as biofix) or 608 DD (using April 1 as biofix). This indicates that flight activity has just started. Growers are advised to place pheromone traps […]
Continue reading...Peach: Tufted Apple Budmoth (TABM): The first of 2 flights of tufted apple budmoth have started. Adults started to emerge in northern counties on 5/16 and in southern counties on 5/1. Although this has been a minor pest, timings are outlined below for anyone who had high populations last year. Conventional, Diamides […]
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Sweet Corn There has been little change in European corn borer (ECB) catches over the past week. We would have expected some increase throughout the state, but prolonged wet weather has likely slowed their activity. The highest catches remain in southern Hunterdon County (see map at left), although there have been low, but steady catches […]
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