University of Wisconsin–Madison

Month: July 2023

Update 11 – July 30, 2023

In This Issue: Potato and tomato early blight and late blight disease updates Cucurbit downy mildew updates New insect pest: Asiatic garden beetle Western bean cut worm, tarnished plant bug, squash bugs on cucurbit crops   Amanda Gevens, Chair, Professor & Extension Vegetable Pathologist, UW-Madison, Dept. of Plant Pathology, 608-575-3029, Email:  gevens@wisc.edu, Lab Website: https://vegpath.plantpath.wisc.edu/ …

Late blight confirmed in potato in Alliston, Canada on July 17, 2023

Late blight was confirmed in potato in Alliston, Canada on July 17, 2023. This is Simcoe County of the Province of Ontario. A sample of infected leaves was sent to Dr. Jean Ristaino’s lab at North Carolina State University where it was determined that the pathogen, Phytophthora infestans, was of the US-23 genotype. Dr. Eugenia Banks, the Potato Specialist at OMAF, …

Update 10 – July 23, 2023

In This Issue: Potato and tomato early blight and late blight disease updates Cucurbit downy mildew updates Two-spotted spider mites, European corn borers, and caterpillar pests of cole crops   Amanda Gevens, Chair, Professor & Extension Vegetable Pathologist, UW-Madison, Dept. of Plant Pathology, 608-575-3029, Email:  gevens@wisc.edu, Lab Website: https://vegpath.plantpath.wisc.edu/ Early blight of potato/tomato.  Accumulations of …

Update 8 – July 9, 2023

In This Issue: Potato and vegetable crop production status updates; pollutant, ozone, and sulfur dioxide injury on potato; Potato and tomato early blight and late blight disease updates; Cucurbit downy mildew updates; Potato Virus Y updates and management; UW Hancock ARS Potato Field Day reminder – Jul 13, 2023 1-4:30PM; Wisconsin Potato Coalition & Wisconsin Seed Potato Certification Program – Starks Farm Field Day – Rhinelander WI agenda

Update 7 – July 2, 2023

In this issue: Potato and tomato early blight and late blight disease updates Cucurbit downy mildew updates Striped cucumber beetle, onion thrips, Potato Virus Y UW Langlade County Extension Airport Ag Research Station Field Day – Antigo WI agenda   Amanda Gevens, Chair, Professor & Extension Vegetable Pathologist, UW-Madison, Dept. of Plant Pathology, 608-575-3029, Email:  …