Tag Archives: Insects

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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Are Garden Fleahoppers a Problem on Lavender?

Posted on August 25, 2021 by Sean Westerveld

By Estella Crosby, Summer Research Assistant, OMAFRA Garden fleahopper (Microtechnites bractatus) is an occasionally severe pest of lavender and potentially other perennial members of the mint family, especially when grown over black plastic mulch where warmer temperatures promote faster development … Continue reading →

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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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