Last Issue for 2022 Sweet Corn IPM Newsletter – No. 12 – September 9, 2022 CORN EARWORM NUMBERS HIGHER Most Silking Fields Now Require Tight Spray Schedule This will be the final issue of the Sweet Corn IPM Newsletter for the 2022 season. I would like to thank all of the growers who participated in […]
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Sweet Corn IPM Newsletter No. 11 – September 2, 2022 EARWORM PRESSURE HIGHER IN SOUTHERN MAINE Fall Armyworm, European Corn Borer Pressure Remains Moderate 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, celery, artichokes, […]
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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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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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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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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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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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Sweet Corn IPM Newsletter No. 3 – July 8, 2022 CORN EARWORM ACTIVITY INCREASING Early Silking Corn Requires Protection at Most Sites Highmoor Farm Summer Tour and BBQ Dinner – Wednesday, July 27 from 1:30-7:30. Click here for more information. SITUATION Lots of early corn is starting to silk in southern Maine, while early-mid season […]
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University of Maine Sweet Corn IPM Newsletter No. 2 – July 1, 2022 CORN PESTS ACTIVE IN EARLY FIELDS European Corn Borer, Corn Earworm & Fall Armyworm Moths Caught This Week SAVE THE DATE: Highmoor Farm Summer Tour and BBQ July 27 @1:30-7:30. More details soon! SITUATION Early corn planted under plastic mulch or rowcovers is […]
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