Vegetable Disease Control Laboratory of Amanda J. Gevens
In this issue: Potato productivity and weather updates | Potato early and late blight disease risk model updates | Cucurbit downy mildew spores found in MI | Onion thrips updates and management | Colorado potato beetle updates and management
In this issue: Potato early and late blight disease modeling and risk updates | Rhizoctonia in vegetables – updates and recommendations for management in tomato | Seedcorn maggot updates and management | Colorado potato beetle updates and management
In this issue: Vegetable Insect Update – Russell L. Groves, Professor and Associate Department Chairperson, UW-Madison, Department of Entomology, 608-262-3229 (office), (608) 698-2434 (cell), e-mail: rgroves@wisc.edu, Vegetable Entomology Webpage: https://vegento.russell.wisc.edu/ Imported cabbageworm – Pieris rapae https://vegento.russell.wisc.edu/pests/cabbage-maggot/ Also known as cabbage whites or small whites, cabbage loopers and diamondback moths are the three most significant caterpillar …
In this issue: Cabbage Maggot Updates and Management | Colorado Potato Beetle Updates and Management | Vegetable Leafminers Updates and Management | Potato Disease Model Updates (Late blight and Early blight)
In this issue: Potato Cull Pile Management | Potato Volunteer Risk in 2026 | Potato Late Blight Fungicides 2026
In This Issue: Late blight updates for potato/tomato | Cucurbit downy mildew updates
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
While every growing season typically offers a few weather hiccups, some years offer a few more extreme disruptions than typical. Extreme temperatures, in concert with moisture stress, exacerbate disease risk at the time of harvest and beyond.
In This Issue: Disease forecasting updates for potato early blight and late blight | Cucurbit downy mildew updates | Post-harvest diseases of potato and their management
In This Issue: Disease forecasting updates for potato early blight and late blight | Cucurbit downy mildew updates | Black dot and silver scurf of potato