Tag Archives: Insects

Hazelnut Pest Report – June 24, 2021

Posted on June 24, 2021 by Melanie Filotas

There’s lots of pest activity in southern Ontario hazelnut orchards at this time. New eastern filbert blight infections are getting ready to burst through bark. Gypsy moth, aphids, scale and bud mite are all active in orchards, as are their … Continue reading →

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Lavender Crop Update – June 24, 2021

Posted on June 24, 2021 by Sean Westerveld

Harvest Considerations Most angustifolia cultivars of lavender have begun to bloom this week in the south. Full bloom will likely occur within the next week to 10 days. Early bloom is the time to harvest for bundles and buds. Ideally, … 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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Use of Imidacloprid Insecticide to be Cancelled for Ginseng

Posted on May 20, 2021 by Sean Westerveld

The Pest Management Regulatory Agency (PMRA) recently announced the final decision on the re-evaluation of imidacloprid insecticides (Admire, Alias). All uses of these insecticides on root vegetables including ginseng are to be cancelled. Given the lack of alternatives to imidacloprid … Continue reading →

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Ginseng Scout Training June 2, 2021

Posted on May 19, 2021 by Sean Westerveld

After a one year break, OMAFRA’s Ginseng Scout Training will be held virtually on Wednesday, June 2 from 9 to 11 am. This workshop will go over the symptoms and scouting methods for the major insects, diseases and disorders of … Continue reading →

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