Author: bbradford

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 9 – July 16, 2023

In this issue: Potato and tomato early blight and late blight disease updates, Cucurbit downy mildew updates, Cucurbit powdery mildew updates, Potato Virus Y updates and management, Two-spotted spider mites, Caterpillar pests

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:  …

Update 6 – June 25, 2023

In this issue: Potato production updates: effects of high heat and low moisture, potato and tomato early blight and late blight disease updates, cucurbit downy mildew updates, squash vine borer, squash bug, onion thrips, Hancock Highlight Series: spotlighting agricultural research at the UW Hancock ARS with Natasha Paris

Update 5 – June 18, 2023

In this issue: Potato and tomato early blight and late blight disease updates, Cucurbit downy mildew updates, Potato leafhopper, true armyworm, Colorado potato beetle, flea beetles, cole crop pests

Update 4 – June 11, 2023

In This Issue: Potato production updates, Potato and vegetable disease model updates, Onion Botrytis, Colorado potato beetle, potato leafhopper, and seedcorn maggot updates

Update 3 – June 4, 2023

In this issue: Potato and vegetable disease model updates Potato early blight management options Natural control of insects, Two-spotted spider mites and mint bud mite, onion thrips, aphids, and Colorado potato beetle updates Colorado potato beetle management options   Amanda Gevens, Chair, Professor & Extension Vegetable Pathologist, UW–Madison, Dept. of Plant Pathology, 608-575-3029, Email:  gevens@wisc.edu, …

Update 2 – May 28, 2023

In this issue: Potato production progress updates Asparagus beetles, Colorado potato beetles, and seedcorn maggot updates Potato and vegetable disease model updates WI DATCP Special Local Need Registrations (24c) and Emergency Exemptions (Section 18) authorized for use in WI 4/20/23   Yi Wang, Assistant Professor & Extension Potato and Vegetable Production Specialist, UW–Madison, Dept. of …