In this issue: Potato and vegetable disease forecasting updates – thresholds met for late blight and early blight treatments. Cucurbit downy mildew. Corn Earworm, Cucumber Beetles, Colorado Potato Beetles updates and management.
Newsletter
Update 8 – Jul 7, 2024
In This Issue: Potato and vegetable disease forecasting updates – thresholds met for late blight and early blight treatments. Cucurbit downy mildew. Tomato bacterial spot. Imported Cabbageworm, WI DATCP Pest Surveillance resources, Corn Earworm, Western Beet Cutworm management and updates.
Update 7 – Jun 30, 2024
In This Issue: Updates in potato and vegetable production research. Potato and vegetable disease forecasting updates – thresholds met for preventative applications of fungicides for early blight and late blight in some WI locations. Cucurbit downy mildew. Diamondback moth, Potato leafhopper, Japanese beetle, Asiatic garden beetle descriptions and management.
Update 6 – Jun 23, 2024
In This Issue: Potato and vegetable disease forecasting updates – thresholds met for preventative applications of fungicides for early blight and late blight in some WI locations. Cucurbit downy mildew. Cucurbit powdery mildew. Degree day accumulations. Squash vine borer. Onion thrips. Squash bugs.
Update 5 – Jun 16, 2024
In This Issue: Seed potato age and research updates. Potato and vegetable disease forecasting updates. Early blight spore collections. Updates and management of potato leafhoppers, onion thrips, flea beetles, Colorado potato beetles (with detailed insecticide listing).
Update 4 – June 9, 2024
In This Issue: Potato and vegetable disease forecasting updates. Onion Botrytis leaf blight risk accumulation. Updates and management of Potato leafhopper, Cutworms, Cucumber beetles, Aster leafhopper, Colorado Potato Beetles. Colorado potato beetle insecticides.
Update 3 – June 2, 2024
In this issue: Potato production updates. Colorado Potato Beetle, Potato Leafhopper, Seedcorn Maggot updates. 2024 Commercial Vegetable Production in Wisconsin Guide (A3422). Potato and veg disease forecasting in 2024 update. Phytophthora nicotianae blight vs late blight.
Update 2 – May 26, 2024
In this issue: 2024 Commercial Vegetable Production in Wisconsin Guide (A3422). Potato and veg disease forecasting in 2024 update. Aphids, flea beetles, cole crop and imported cabbage worm, and Colorado potato beetle updates and management.
Update 1 – May 19, 2024
In this issue: 2024 Commercial Vegetable Production in Wisconsin Guide (A3422). Potato and veg disease forecasting in 2024. UW Entomology, Pathology, Vegetable Disease and Insect Forecasting Network, Wisconet and other weather-based vegetable management tools. Seedcorn maggot, Colorado potato beetle, aphids.
High risk of potato volunteers due to warm overwinter soil temperatures
Due to a combination of a warm 2023-2024 winter season, and a heavy snowpack during the few weeks when air temperatures did drop into the single digits, soil temperatures in central Wisconsin may not have …