Information for commercial vegetable production in Ontario
By: Cheryl Trueman, Department of Plant Agriculture, Ridgetown Campus – University of Guelph As mentioned in a previous post, this… Continue Reading Current late blight risk in Ontario field tomatoes: July 20, 2019
Late blight has been confirmed on potatoes near Alliston. Late blight has also been recently identified in Michigan, Wisconsin and… Continue Reading Late Blight Confirmed on Potato in Simcoe County
The Pest Management Regulatory Agency recently announced that it will be cancelling the use of the group M3 chemicals… Continue Reading Late Blight Control in Tomatoes: The Loss of Mancozeb
Late blight has been confirmed on tomato plants near Syracuse, New York (Onondaga County). At this time the late blight… Continue Reading Late blight found in New York State on Tomato
By: Cheryl Trueman, Ridgetown Campus – University of Guelph About these tables: These tables were created using results from replicated… Continue Reading Fungicide Efficacy Summary Tables for Management of Diseases in Field Tomatoes
This information is updated from an earlier article by Janice LeBoeuf. We have had multiple reports of late blight in… Continue Reading Late blight alert – July 27th, 2017
Late blight has been confirmed on tomatoes in Chatham-Kent. Recent weather has been conducive to the development and spread of… Continue Reading Late blight alert – June 28
The Ontario Potato Board reports that for the second time this season, late blight spores have been detected in their… Continue Reading Late blight spores detected in Dufferin and Simcoe counties – 2
To date, I know of no confirmed cases of late blight in Ontario, but there have been a couple of reports… Continue Reading Late blight update – July 28
The Ontario Potato Board reports that late blight spores were detected in their two spore traps in the Shelburne and… Continue Reading Late blight spores detected in Dufferin and Simcoe counties