Cheryl Trueman, Vegetable Pest Management Researcher, Ridgetown Campus – University of Guelph
Downy mildew has been confirmed in Elgin County and Kent County.
Table 1. Summary of downy mildew symptoms found in processing cucumber fields in Norfolk County, Elgin County, and Kent County, Ontario, week of July 8, 2013.
| County | DM Confirmed? | # Affected Sites | Avg. % canopy infected at affected sites | Avg. # lesions per infected leaf |
| Kent |
YES |
1 of 5 |
8 |
2 |
| Norfolk/Elgin |
YES |
1 of 5 |
20 |
2 |
About the Downy Mildew Scouting Program
The downy mildew scouting program is sponsored by the Ontario Cucumber Research Committee. Field scouting in Norfolk County is managed by Tania Keirsebilck-Martin at the Norfolk Fruit Growers’ Association. Field scouting in Kent County is managed by Cheryl Trueman at the Ridgetown Campus, University of Guelph. We thank Elaine Roddy, OMAFRA vegetable specialist, for her guidance with implementing this program
If you have specific questions about the scouting program in Kent County, please contact Cheryl Trueman (519-674-1500 x63646 / ctrueman@uoguelph.ca).
If you have specific questions about the scouting program in Norfolk County, please contact Tania Keirsebilck-Martin (519-426-0640 / tmartin@nfga.ca).
Information on downy mildew management in Ontario can be found here: http://www.omafra.gov.on.ca/english/crops/hort/2012-downy-cucumbers.htm.
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