Rutgers Cooperative Extension
Sweet Corn European corn borer (ECB) catches continue to be extremely low, and no map will appear in this edition. Feeding in NJ sweet corn plantings is highly variable, but with second and third plantings now reaching the silk stage, we find that later plantings have much less damage. Check 5 plants each in 10 random […]
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Based on our degree-day (DD) model for Sparganothis fruitworm, first eggs hatched at about 900 DD (see chart). As of July 05, Sparganothis has accumulated 1,358 DD (using March 1 as biofix) or 1,318 DD (using April 1 as biofix). This indicates that most eggs should have hatched by now and fruit is susceptible to […]
Continue reading...Click to View | Download Report 7-4-17 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 […]
Continue reading...Cucurbit downy mildew was confirmed on cucumber in southern New Jersey (Cumberland County) today. This is the second report of CDM in New Jersey this growing season. All cucumber growers in NJ are encouraged to add downy mildew specific fungicides to their weekly maintenance spray programs. All growers should scout cucumber plantings as well as all […]
Continue reading...Click to View | Download Report 6-30-17 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 […]
Continue reading...Bacterial leaf spot has been reported in pepper and cucumber. Cucurbit downy mildew has been confirmed on cucumber in New Jersey. Basil downy mildew has been reported in central New Jersey. There have been no new reports of Late blight on tomato or potato in the past week.
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