Information for commercial vegetable production in Ontario
Downy mildew has been confirmed in a pickling cucumber crop in Berrien county, in Southwest Michigan. Cucumber downy mildew has NOT been identified in Ontario, but the risk is high. Growers are advised to use a downy mildew specific fungicide program, if this hasn’t been started. Continue Reading Cucumber Downy Mildew Confirmed in the Great Lakes Region 22 Jun 2020
The regular cucurbit downy mildew scouting program in Norfolk/Elgin and Kent has now wrapped up for the year. While downy… Continue Reading Cucurbit Downy Mildew Update – July 31th, 2019
Reports of cucurbit downy mildew continue to trickle in from sources South of the border. To date there are still… Continue Reading Cucurbit Downy Mildew Update – July 18, 2018
Table 1. Summary of downy mildew symptoms found in processing cucumber fields in Norfolk County, Elgin County, and Kent County,… Continue Reading Cucurbit Downy Mildew Update – July 5, 2018
Field cucumber scouting is underway in Kent and Norfolk. There were no reports of downy mildew for the week of… Continue Reading Cucumber Downy Mildew Update – June 29, 2018
By Elaine Roddy – OMAFRA and Cheryl Trueman, PhD – University of Guelph. If we look at the date of… Continue Reading Cucumber Downy Mildew Update – June 22, 2018
The 2018 downy mildew season has had a slow start. The Southern United States had their first reported case of… Continue Reading Cucumber Downy Mildew Update – June 1, 2018
2018 Downy Mildew Control Strategy for Cucumber Crops – June 1, 2018
Cheryl Trueman, Ridgetown Campus, University of Guelph Rachel Riddle, Simcoe Research Station, Dept. of Plant Agriculture, University of Guelph Elaine… Continue Reading University of Guelph Cucumber Downy Mildew Results
ALERT Cucurbit downy mildew has been reported on pickling cucumbers and cantaloupe in Essex County. This is the first field… Continue Reading Cucurbit Downy Mildew Alert – June 27, 2017