Seasonal Topics – August 29, 2016

Stink bug damage on tomatoAugust 29, 2016 — Some topics are relevant year after year, but you might not always take the time to filter through previous posts to find them. I’ve highlighted some here that might be of interest this week. Click on the preview images below to jump to the articles. Continue reading Seasonal Topics – August 29, 2016

OMAFRA Welcomes Dennis Van Dyk as Vegetable Crops Specialist

OMAFRA Vegetable Crop Specialist Dennis Van DykDennis Van Dyk recently joined the Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA) as a Vegetable Crops Specialist. Based out of the Guelph office, he will primarily focus on the root vegetable crop portfolio, including: potato, carrot, rutabaga, turnip, parsnip, radish and horseradish. Continue reading OMAFRA Welcomes Dennis Van Dyk as Vegetable Crops Specialist

Temporary water permits available for Ontario irrigators

The Grower is reporting that due to the extremely dry growing season, the MOECC, supported by OMAFRA, has agreed to a streamlined approval process for Permits to Take Water (PTTW).

“The streamlining of the approvals process will be done during the current growing season and on a temporary and short-term basis. Requests by growers will be dealt with on a case-by-case basis and may include takings from the Great Lakes and connecting channels, takings from dugout ponds and takings from neighbouring permitted sources such as ponds.”

Learn more:


Ontario processing vegetable industry bursaries available

Students who are residents of Ontario and registered as a
full-time student at any college or university entering the second, third, fourth or post graduate year of study which relates in some aspect to the processing vegetable industry can apply for the Ontario processing vegetable industry bursaries. Apply by October 15. See below for details.
Continue reading Ontario processing vegetable industry bursaries available

Late blight spores detected in Dufferin and Simcoe counties – 2

Advanced late blight symptoms

The Ontario Potato Board reports that for the second time this season, late blight spores have been detected in their spore traps in the Shelburne and Alliston areas. Late blight symptoms have not been detected, but it means that spores were present in the area. Continue reading Late blight spores detected in Dufferin and Simcoe counties – 2

Late blight update – July 28

Early foliar symptoms of late blightTo date, I know of no confirmed cases of late blight in Ontario, but there have been a couple of reports out of Michigan (on potatoes). Nevertheless, our experience of recent years would indicate we are likely to see it in Ontario tomatoes at some point in the season.

Remember that conventional tomato growers using a recommended fungicide program for early blight, septoria leaf spot, and anthracnose, are also protecting the crop from late blight infection. Cloudy and high humidity or wet conditions are favourable for late blight.  The pathogen prefers cool temperatures.  The disease is suppressed by hot, dry weather, but it can continue developing and spreading when suitable conditions return.

If late blight is found in the area, tomato growers should: Continue reading Late blight update – July 28

Information for commercial vegetable production in Ontario


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