Tag Archives: pest control

Managing Multiple Diseases at Once in Ginseng – Crop Update, June 20, 2019

This has been a challenging year for disease management in ginseng. In addition to the earlier issues with root diseases, especially Phytophthora, we are now dealing with high pressures of Alternaria (Figure 1) and Botrytis (Figure 2). It can be … Continue reading

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Managing Phytophthora Leaf Blight – Ginseng Crop Update – May 31, 2019

The persistent wet and cool conditions have resulted in very high risk of foliar Phytophthora. After the wet conditions last fall and this spring, there is a high amount of inoculum of Phytophthora in low areas in most gardens. When … Continue reading

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Basil Downy Mildew Update – June 27, 2018

There have been no official reports of basil downy in field grown basil so far this year. However, basil downy mildew is usually present to some extent on greenhouse grown basil in garden centers in the spring. Often the disease … Continue reading

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Updated Hops Pest Control Products List

A number of new products have been registered on hops since I posted the 2016 Pest Control Product list to this blog last March.  I’ve updated the list to reflect these new products and posted it here. Hops Pesticides 2016 … Continue reading

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Reminder – July 20 Hops Sprayer Optimization Workshop

Achieving good coverage on a rapidly growing plant like hops can be a challenge, but poor coverage can dramatically reduce the effectiveness of pest control products, both conventional and organic.  Hop growers interested in improving their spray coverage are encouraged … Continue reading

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How are pesticides registered in Canada?

Pesticide Registration in Canada and Ontario By Allison Moorman, OMAFRA-University of Guelph USEL Student A pesticide, or pest control product, is a substance (insecticide, fungicide, or herbicide) used to prevent, destroy or repel pest organisms. All products applied to a … Continue reading

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Coragen Insecticide now registered on peanuts, artichokes and green onion subgroup

The Pest Management Regulatory Agency (PMRA) recently announced the approval of several URMULE registrations for Coragen Insecticide for control/suppression of several caterpillar pests of peanuts, globe artichokes and the green onion subgroup in Canada. The green onion subgroup (3-07B) includes some … Continue reading

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