Tag Archives: Pest Management

Foliar Diseases of Outdoor Hemp (Cannabis sativa) and Their Management 2021

Posted on July 21, 2021 by Sean Westerveld

As canopies begin to close in hemp fields and dew periods lengthen, the risk of foliar diseases of hemp increases. The recent wet weather in much of southern Ontario also increases the risk of most diseases in the field. There … Continue reading →

Posted in Fibre Crops, Industrial and Misc. Crops, Industrial Hemp, Oil Crops, Other Industrial Crops | Tagged , , , , | Leave a comment

OMAFRA’s Guide to Hazelnut Production in Ontario now available online

Posted on July 19, 2021 by Melanie Filotas

Publication 863, Guide to Hazelnut Production in Ontario is now available for download on the OMAFRA website. This 150-page guide provides growers, advisors and researchers with a comprehensive handbook on the basic and advanced methods of producing hazelnuts in Ontario, … Continue reading →

Posted in Specialty Fruit and Nuts, Tree Nuts, Uncategorized | Tagged , , , , , | Leave a comment

Basil Downy Mildew Confirmed in Ontario

Posted on July 19, 2021 by Sean Westerveld

Basil downy mildew has been identified in both Norfolk and Wellington Counties on July 19. Infections probably began sometime last week. It is likely the disease is now widespread in southern Ontario and basil growers need to protect the crop … Continue reading →

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Ginseng Crop Update – Wet Weather and Phytophthora – July 15, 2021

Posted on July 15, 2021 by Sean Westerveld

It has been a very wet month in southern Ontario, with especially damp conditions over the past 7 days. There has been approximately 134 mm of rain in Delhi, 148 mm in Port Dover, 112 mm in London and 146 … Continue reading →

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Ginseng Crop Update – June 17, 2021

Posted on June 17, 2021 by Sean Westerveld

Leafrollers and Leaf Folders This appears to be a bad year for leafrollers/leaf folders in ginseng. Based on previous research we conducted to identify the species, the primary insect growers are dealing with now are leaf folders, although other species … Continue reading →

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A Critical Time for Pest Control in Ginseng – Ginseng Crop Update – June 4, 2021

Posted on June 4, 2021 by Sean Westerveld

With the prolonged cold weather during emergence this year, ginseng plants will be stressed, and this will make plants much more susceptible to Alternaria leaf blight. Now that canopies have closed and hot and humid weather is forecast for the … Continue reading →

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