Sweet Corn IPM Newsletter – No. 10 – August 26, 2022 MODERATE CORN PEST PRESSURE Silk Sprays Needed for Corn Earworm, Fall Armyworm at Most Sites Highmoor Farm Twilight Meeting: Thursday, September 8, 5:30-7 p.m. Come join us for a tour of the vegetable variety trials at the Maine Agricultural Experiment Station. Pumpkins, corn, radicchio, […]
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Spotted Wing Drosophila Alert: 8/26/2022 David Handley, Vegetable and Small Fruit Specialist; James Dill, Pest Management Specialist, Phil Fanning, Assistant Professor of Agricultural Entomology Spotted wing drosophila fly counts were over the recommended control threshold at all of our scouting locations this week. Numbers at some sites have risen but most have remained relatively stable. […]
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Spotted Wing Drosophila Alert: 8/19/2022 David Handley, Vegetable and Small Fruit Specialist; James Dill, Pest Management Specialist, Phil Fanning, Assistant Professor of Agricultural Entomology Spotted wing drosophila fly counts were over the recommended control threshold at all but one of our scouting locations this week. Numbers are generally rising, although we are […]
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Sweet Corn IPM Newsletter No. 9 August 19, 2022 PEST PRESSURE LOWER THIS WEEK Corn Earworm, Fall Armyworm Numbers Still Require Protection of Silking Corn SITUATION Some much-needed rain and cooler night temperatures over the past week have helped corn development and reduced insect pressure in most fields. However, moth counts of corn earworm, fall armyworm […]
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Spotted Wing Drosophila Alert: 8/12/2022 David Handley, Vegetable and Small Fruit Specialist; James Dill, Pest Management Specialist, Phil Fanning, Assistant Professor of Agricultural Entomology Fly counts rose significantly at most, but not all, locations this week, perhaps signaling the start of the expected exponential growth of fly numbers we typically see at this point in […]
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Sweet Corn IPM Newsletter No. 8 August 12, 2022 CORN EARWORM NUMBERS MUCH HIGHER Corn Earworm, Fall Armyworm Moth Numbers Require Higher Spray Frequency SITUATION As harvest gets into full swing, some rain and cooler temperatures have improved conditions for corn development in much of the state this week. Moth counts of corn earworm, fall […]
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Spotted Wing Drosophila Update – 8/5/2022 David Handley, Vegetable and Small Fruit Specialist; James Dill, Pest Management Specialist, Phil Fanning, Assistant Professor of Agricultural Entomology Fly counts are creeping upwards this week but have not yet begun the rapid rise we typically see starting about this time. Several sites, including Wells, Bowdoinham, New Gloucester, Monmouth, […]
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Sweet Corn IPM Newsletter – No. 7 – August 5, 2022 SILKING CORN THREATENED Corn Earworm, Fall Armyworm, Western Bean Cutworm in Higher Numbers SITUATION Very hot, dry conditions have pushed corn maturity and led to drought stress in unirrigated fields across the state. Drought stress during the pollination stage may lead to poor ear […]
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Spotted Wing Drosophila Update: 7/29/2022 David Handley, Vegetable and Small Fruit Specialist; James Dill, Pest Management Specialist, Phil Fanning, Assistant Professor of Agricultural Entomology Fly counts this week remain at relatively low levels, but at several sites including Bowdoinham, New Gloucester, Monmouth, and Wells, the counts were just above the 6 fly threshold that is […]
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CORN EARWORM, FALL ARMYWORM NUMBERS RISE Silking corn in most locations now requires protection SITUATION Harvest of early corn continues in southern Maine. Showers have provided some drought relief in many locations, but seasonal rainfall is still well behind normal. Another predicted stretch of hot weather next will push corn maturity ahead. Moth counts of […]
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