Sweet Corn IPM Newsletter No. 6- August 5, 2021 Click on photos to enlarge. CORN EARWORM AND FALL ARMYWORM NUMBERS LOW Western Bean Cutworm Numbers Higher; May Threaten Silking Corn SITUATION Corn development and harvest slowed this week with more rain and cooler temperatures though much of the state. Predicted warmer temperatures on the coming […]
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Sweet Corn IPM Newsletter No. 5- July 30, 2021 FALL ARMYWORM & CORN BORER THREATEN SILKING CORN Corn Earworm Numbers Low, But Western Bean Cutworm Numbers Higher SITUATION With corn harvest getting into full swing in Southern Maine, many fields received another soaking this week. Nitrogen deficiency, indicated by yellowing of the lower […]
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Spotted Wing Drosophila Update: July 23, 2021 Click on photos to enlarge. David Handley, Vegetable and Small Fruit Specialist; James Dill, Pest Management Specialist, Phil Fanning, Assistant Professor of Agricultural Entomology While we continue to find spotted wing drosophila fruit flies in raspberry plantings and blueberry fields in Maine this week, the situation has […]
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Sweet Corn IPM Newsletter No. 4 – July 23, 2021 Click on photos to enlarge. PEST PRESSURE INCREASING FOR SILKING CORN Corn Earworm, Fall Armyworm & European Corn Borer Numbers Higher SITUATION Early corn harvest is underway in Southern Maine. Recent rains have made access to some fields difficult as we experience a second mud […]
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Spotted Wing Drosophila Alert: July 16, 2021 Click on photos to enlarge. David Handley, Vegetable and Small Fruit Specialist; James Dill, Pest Management Specialist, Phil Fanning, Assistant Professor of Agricultural Entomology We have found spotted wing drosophila fruit flies in raspberry plantings and blueberry fields in Maine over the past week. This compliments reports […]
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Sweet Corn IPM Newsletter No. 3- July 16, 2021 Click on photos to enlarge. CORN EARWORM, FALL ARMYWORM, CORN BORER THREAT Early Silking Fields May Require Protection SITUATION Some very early corn is being harvested in the southern part of the state, and it looks as though the season will be in full swing in […]
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The University of Connecticut Cooperative Extension has prepared a chart showing trade names, active ingredients, IRAC codes, pre-harvest interval and restricted entry interval rates (days) per acre, and probable efficacy of insecticides used to control Spotted Wing Drosophila on blueberries, strawberries, caneberries, and grapes. Probable efficacy ratings are based on lab and field assays in […]
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Strawberry IPM Newsletter No. 5- July 9, 2021 Click on photos to enlarge RENOVATION AND WEED MANAGEMENT ISSUE Get Your Strawberry Beds Ready for Next Year: Manage Pests in Day-Neutral Strawberries The harvest season has come to a rapid and early close in most fields; as very-hot-dry June weather combined with a warm-dry spring resulted […]
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Sweet Corn IPM Newsletter- No. 2- July 9, 2021 Click on photos to enlarge. EARLY TROPICAL STORM BRINGS CORN EARWORM THREAT Early Silking Fields May Require Protection SITUATION The hot weather, which pushed corn development into very early silking, appears to be over, at least for now, and a tropical storm moving up the East […]
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Sweet Corn IPM Newsletter- No. 1- June 25, 2021 Click on photos to enlarge 2021 SWEET CORN PEST SEASON BEGINS! European Corn Borer, Corn Earworm May Be Active in Early Fields The 2021 University of Maine Cooperative Extension Integrated Pest Management (IPM) program for sweet corn is getting underway. We continue to follow pandemic protocols, […]
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