Sweet Corn IPM Newsletter No. 11 – September 6, 2018 Click on photos to enlarge. Last Issue for 2018! MAJOR CORN EARWORM FLIGHT THREATENS LATE CORN Any Late Silking Fields Remaining Require Tight Spray Interval This will be the final issue of the Sweet Corn IPM Newsletter for the 2018 season. I would like to […]
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Sweet Corn IPM Newsletter No. 10 – August 31, 2018 Click on photos to enlarge. CORN EARWORM, FALL ARMYWORM COUNTS LOWER Most Silking Fields Still Require Protection SITUATION More hot, humid weather continues to push corn development ahead. Most remaining fields are silking or ready to harvest as the holiday weekend approaches. Insect pressure was […]
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Sweet Corn IPM Newsletter No. 9 – August 24, 2018 Click on photos to enlarge. CORN EARWORM PRESSURE REMAINS HIGH All Late Silking Corn Requires Protection SITUATION Weather has continued to be good for both corn growth and pest populations. More hot, humid weather predicted for the next several days will likely keep pest pressure […]
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David Handley, Vegetable and Small Fruit Specialist; James Dill, Pest Management Specialist; Frank Drummond, Professor of Insect Ecology/Entomology Captures of spotted wing drosophila (SWD) fruit flies in vinegar/yeast traps in raspberry and highbush blueberry plantings increased significantly at some locations this week, and is above threshold levels at most sites. Our highest counts of the […]
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Sweet Corn IPM Newsletter No. 8 – August 17, 2018 Click on photos to enlarge. FALL ARMYWORM, CORN EARWORM PRESSURE HIGH Growers Report Difficulty Controlling Fall Armyworm SITUATION Warm weather continued to push corn development this week. Late-planted fields are mostly silking, and will be ready for the post-Labor Day market. We have had several […]
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David Handley, Vegetable and Small Fruit Specialist; James Dill, Pest Management Specialist; Frank Drummond, Professor of Insect Ecology/Entomology Captures of spotted wing drosophila (SWD) fruit flies in vinegar/yeast traps in raspberry and highbush blueberry plantings are now increasing in most locations, and at most sites counts rose above threshold levels, including one site with over […]
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Sweet Corn IPM Newsletter No. 7 – August 10, 2018 Click on photos to enlarge. CORN EARWORM, FALL ARMYWORM THREAT INCREASES Silking Corn Fields Require Protection SITUATION All but the latest planted fields are now silk or beyond. Storm fronts approaching from the south and west have brought up more corn earworm and some fall […]
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David Handley, Vegetable and Small Fruit Specialist; James Dill, Pest Management Specialist; Frank Drummond, Professor of Insect Ecology/Entomology Captures of spotted wing drosophila (SWD) fruit flies in vinegar/yeast traps in raspberry and highbush blueberry plantings remained low in most locations, although at two sites ((Limington, Readfield) counts rose above threshold levels. (See table below.) The […]
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Sweet Corn IPM Newsletter No. 6 – August 3, 2018 Click on photos to enlarge. CORN EARWORM THREATENS ALL SILKING CORN Most Sites Now Have Significant Moth Populations in Silking Corn SITUATION As predicted, the warm weather from the south has brought an increase in insect activity, as we come into the peak of the […]
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David Handley, Vegetable and Small Fruit Specialist; James Dill, Pest Management Specialist; Frank Drummond, Professor of Insect Ecology/Entomology We continue to capture spotted wing drosophila fruit flies in vinegar/yeast traps in raspberry and highbush blueberry plantings this week, but mostly in low numbers. (See table below.) While these counts may indicate that populations are still […]
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