Vegetable Crop Update – Aug 30, 2026
In this issue: Wisconsin Weather & Potato Productivity | Potato Early and Late Blight Disease Risk Modelling and Management | Cucurbit Downy Mildew Updates
Vegetable Disease Control Laboratory of Amanda J. Gevens
In this issue: Wisconsin Weather & Potato Productivity | Potato Early and Late Blight Disease Risk Modelling and Management | Cucurbit Downy Mildew Updates
In this issue: EPA Public Comment Period for ESA Fungicide Strategy – extended to Jul 20 | Potato Early and Late Blight Disease Risk Model Updates | White Mold of Potato and Management Strategies | Colorado Potato Beetle (2nd gen updates) | Potato Virus Y Management | UW Hancock ARS Field Day Agenda
In this issue: Weather and Potato Production Updates | Potato Early and Late Blight Disease Risk Model Updates | Early Blight Fungicides | Corn Tar Spot Updates | Corn Earworm, Diamondback Moth, Japanese Beetle, Cucumber Beetle and Colorado Potato Beetle updates and management
In This Issue: End of season crop production comments | Potato tuber heat necrosis and hollow heart | Late blight updates for potato/tomato | Cucurbit downy mildew updates | Pink eye of potato
In This Issue: Vegetable production updates | Disease forecasting updates for potato early blight and late blight | Cucurbit downy mildew updates | Angular leaf spot of cucurbits
In this issue: Potato production updates and weather review | Imported Cabbage Worm and Squash Bug updates and management | Disease forecasting updates for potato early blight and late blight | Cucurbit downy mildew updates | Nicotianae blight of potato – a late blight ‘look alike’
In This Issue: Weather and vegetable production updates | Colorado Potato Beetle update and management, PVY update and management | Disease forecasting updates for potato early blight and late blight | Cucurbit downy mildew updates | Sweet corn tar spot updates and management
In This Issue: Temperature, precipitation, and air quality impacts on vegetable production | Disease forecasting updates for potato early blight and late blight | Cucurbit downy mildew updates | Cabbage maggot, seedcorn maggot, and Colorado potato beetle risks and management
In This Issue: Potato production updates. Potato late blight and early blight updates. Cucurbit downy mildew updates.
In this issue: Potato production updates: stress from heat and high rainfall showing late-season effects. Potato colonizing aphids, Squash bugs in cucurbits, Western bean cutworm updates and management. Potato and vegetable disease forecasting updates – thresholds met for late blight and early blight treatments. Cucurbit downy mildew.