Sweet Corn IPM Newsletter No. 11 – September 1, 2017 Click on photos to enlarge. COOL NIGHTS SLOW INSECT ACTIVITY Anticipated Storm Fronts May Increase Moth Counts Next Week SITUATION Cool night temperatures have slowed development of late corn, but supply and quality look good for the holiday weekend. Many farms will soon be harvesting […]
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David Handley, Vegetable and Small Fruit Specialist; James Dill, Pest Management Specialist; Frank Drummond, Professor of Insect Ecology/Entomology Our trap captures for spotted wing drosophila continued to increase this week at nearly all locations. (See table below.) Growers with any susceptible ripening fruit will need to continue protecting against fly egg-laying and larval infestation. Only […]
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David Handley, Vegetable and Small Fruit Specialist; James Dill, Pest Management Specialist; Frank Drummond, Professor of Insect Ecology/Entomology Spotted wing drosophila trap captures continue to increase as we move later into the season. (See table below.) Such high fly numbers will cause significant infestations of larvae in any ripening soft fruit, especially raspberries, blackberries, blueberries […]
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Sweet Corn IPM Newsletter No. 10 – August 25, 2017 Click on photos to enlarge. INSECT NUMBERS RISE, INCREASING THREAT Corn Earworm, Fall Armyworm, European Corn Borer Moth Counts Higher SITUATION Fine weather has kept corn development at a good pace, and supply is improving. Quality has been very good in fields where growers have […]
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Click on photos to enlarge. David Handley, Vegetable and Small Fruit Specialist; James Dill, Pest Management Specialist; Frank Drummond, Professor of Insect Ecology/Entomology Spotted wing drosophila trap captures have increased significantly at most locations over the past two weeks. (See table below.) All of the trapping sites are catching numbers that will result in significant […]
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Sweet Corn IPM Newsletter No. 9 – August 18, 2017 Click on photos to enlarge. COOL NIGHTS SLOW INSECT ACTIVITY Silking Corn Still Needs Protection in Most Fields SITUATION Cool nights and dry conditions have slowed corn development, and pushed expected harvests dates back, leading to a short supply of sweet corn in some […]
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Sweet Corn IPM Newsletter No 8 – August 11, 2017 Click on photos to enlarge. CORN EARWORM THREAT INCREASES Fall Armyworm, European Corn Borer Also Increases SITUATION A little bit of rain over most of the state helped move corn along, but cooler weather recently has delayed development of younger fields. Harvest is moving […]
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Click on photos to enlarge. David Handley, Vegetable and Small Fruit Specialist; James Dill, Pest Management Specialist; Frank Drummond, Professor of Insect Ecology/Entomology Spotted wing drosophila activity continues to increase at most trapping sites this week. (See table below.) Most of the trap counts are above what we consider potentially damaging to ripening berry crops, […]
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Sweet Corn IPM Newslettter No. 7 – August 4, 2017 Click on photos to enlarge. INCREASING CORN EARWORM ACTIVITY Fall Armyworm Threat Remains High in Many Fields SITUATION “Abnormally dry” conditions continue in much of the state, and growers are spending a lot of time keeping up with irrigation. Harvest is progressing on early […]
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University of Maine Sweet Corn IPM Newsletter No. 6 – July 31, 2017 Click on photos to enlarge. FALL ARMYWORM PRESSURE INCREASES New Pest of Onions, Garlic and Leeks Found in Western Maine SITUATION Many parts of the state are experiencing very dry conditions, but corn that can be irrigated is progressing well. Corn […]
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