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 […]

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 […]

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 […]

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 […]

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 […]

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 […]

Sweet Corn IPM Newsletter No. 5 – July 27, 2018 Click on photos to enlarge. CORN EARWORM NUMBERS CLIMBING Populations Spotty, but Some Fields Severely Threatened SITUATION Corn harvest is coming into full swing for early varieties in southern and mid-coast farms. Warm weather has pushed maturity of later varieties, so we may see some […]

Sweet Corn IPM Newsletter No. 4 – July 20, 2018 Click on photos to enlarge. LOW INSECT ACTIVITY CONTINUES Storms Expected Next Week May Bring Pests into Maine SITUATION Some welcome rain fell on dry corn fields this week, followed by more warm weather. As a result, we are seeing rapid corn development in the […]