In This Issue: Impacts of current weather on potato productivity | Water quality program – irrigation water testing for nitrogen | Disease forecasting updates for potato early blight and late blight | Cucurbit downy mildew updates | Squash vine borer, Potato leafhopper, Cucumber beetles, Aster leafhopper, Colorado Potato beetles and their management
potato leafhopper
Vegetable Crop Update – Jun 2, 2025
In this issue: Potato Leafhopper updates and management | Aphids – updates on suction traps and implications | Disease forecasting updates for potato early blight and late blight | Cucurbit downy mildew 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 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 5 – June 18, 2023
In this issue: Potato and tomato early blight and late blight disease updates, Cucurbit downy mildew updates, Potato leafhopper, true armyworm, Colorado potato beetle, flea beetles, cole crop pests
Update 4 – June 11, 2023
In This Issue: Potato production updates, Potato and vegetable disease model updates, Onion Botrytis, Colorado potato beetle, potato leafhopper, and seedcorn maggot updates
Update 13 – July 4, 2021
In this issue: Potato & Kidney Bean Production Updates. Disease Forecasting Updates for Potato. Cucurbit Downy Mildew Updates. Identifying & Managing: Striped Cucumber Beetles, Squash Bugs, Squash Vine Borer, Potato Leafhopper, and Onion Thrips.
Update 12 – June 27, 2021
In this issue: Disease Forecasting Updates for Potato. Cucurbit Downy Mildew Updates. Potato Leafhoppers & Caterpillar Pests in Brassicas.