Vegetable Crop Update – Oct 21, 2026
In this issue: Funding available for on farm nitrogen research | Potato disease management in the post-harvest space (water molds and bacterial diseases)
Vegetable Disease Control Laboratory of Amanda J. Gevens
In this issue: Funding available for on farm nitrogen research | Potato disease management in the post-harvest space (water molds and bacterial diseases)
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
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
In This Issue: Potato production updates. Potato late blight and early blight updates. Cucurbit downy mildew updates.
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.
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.
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.
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
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
In This Issue: Potato production updates, potato disease risk values and management, Cucurbit downy mildew, Cucurbit powdery mildew