Tag Archives: Pest Control Products

Ginseng Pesticide and Research Prioritization Meeting – Dec. 2

Posted on October 28, 2021 by Sean Westerveld

The Ginseng Pesticide and Research Prioritization Meeting will continue this year as a Zoom meeting. This is an opportunity to discuss the production issues over the past year, establish research priorities for the coming year and to prioritize products for the minor use … Continue reading →

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Late Fall Disease Management for Ginseng – Ginseng Crop Update October 27, 2021

Posted on October 27, 2021 by Sean Westerveld

It should come as no surprise to ginseng growers that it has been exceptionally wet this year since the beginning of June and especially this fall. Don’t take my word for it. Figure 1 shows a map of precipitation relative … Continue reading →

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Ginseng Crop Update – Fall Armyworm on Rye Cover Crops – August 31, 2021

Posted on August 31, 2021 by Sean Westerveld

Growers are noting significant damage from fall armyworm on rye cover crops used before ginseng planting and rye nurse crops used to anchor the straw after planting. Wheat is also likely to be affected. There has been a major outbreak … Continue reading →

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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 →

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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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