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
nitrogen
Vegetable Crop Update – May 25, 2025
In this issue: Updates on potato fertility research and irrigation management in potato | Seedcorn maggot management, Colorado Potato Beetle management, vegetable leafminers | Disease forecasting updates for potato early blight and late blight | Cucurbit downy mildew updates
Update 16 – Sep 1, 2024
In This Issue: Potato production updates. Potato late blight and early blight updates. Cucurbit downy mildew updates.
Update 14 – Aug 18, 2024
In This Issue: Potato and bean production updates. Potato and vegetable disease forecasting updates – thresholds met for late blight and early blight treatments. Cucurbit downy mildew. Bacterial blackleg and aerial limb rot of potato.
Update 10 – Jul 21, 2024
In this issue: Potato Virus Y management. Potato and vegetable disease forecasting updates – thresholds met for late blight and early blight treatments. Cucurbit downy mildew. Cabbage black rot updates. Potato white mold characterization and management. Potato nitrogen variety trial and snap bean production 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 14 – Aug 20, 2023
In This Issue: Potato crop production updates, Snap bean production updates, Potato and tomato early blight and late blight disease updates, Cucurbit downy mildew updates
Update 17 – Aug 13, 2022
In This Issue:
• Potato production updates
• Cole crop caterpillar pests
• Caterpillar pests on vegetables
• Potato disease risk values and management
• Cucurbit downy mildew
• Basil downy mildew
Update 15 – July 30, 2022
In This Issue: Potato production updates, potato disease risk values and management, Cucurbit downy mildew, Cucurbit powdery mildew
Update 13 – July 23, 2022
In This Issue: Potato production updates amidst heat and drought. Understanding and managing Potato Virus Y. Potato disease risk values and management. Cucurbit downy mildew. UW Rhinelander Field Day Agenda.