Rutgers Cooperative Extension
Insects are a major problem in cranberry production – they are estimated to reduce yield by 1-2% and without spraying, cranberry false blossom, a phytoplasma vectored by blunt-nosed leafhopper, would eliminate commercial cranberry production completely. Spraying chemical pesticides is the most common practice to combat pathogens and herbivorous insects, but beneficial insects, such as honeybees, […]
Continue reading...Click to View | Download Report 8-18-15 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...Late blight has been found in a small tomato planting near Layton in Sussex County. This is the second report this growing season in New Jersey and the first since early July. All tomato growers should scout their fields on a regular basis. The incoming hot, dry weather should help reduce any potential threat from […]
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Peach Oriental Fruit Moth (OFM): The third flight and all required treatment timings are now over throughout the state. Additional treatments will only be required on very late varieties, and only if trap counts exceed 6 moths per trap. Tufted Apple Budmoth (TABM): We are in the middle of the second flight, but pest pressure […]
Continue reading...Click to View | Download Report 8-13-15 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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Sweet Corn European corn borer (ECB) adult activity is on the increase, with low catches in parts of the state now. The second adult flight is underway. Areas of highest activity are scattered throughout the state with one notable hot spot in central Morris County (see ECB map). As always, consider treating when the number […]
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