Author Archives: wendymcfaddensmith

Fungicides, insecticides and herbicides labelled for nectarines

Several fungicide and insecticide labels have been expanded to include nectarines since 2016. The list of herbicides with nectarine on the label is also provided below. Advertisements

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Grapevine viruses, September 2017

W. McFadden-Smith (OMAFRA), S. Poojari  and J.P. Parent (AAFC) Symptoms of Grapevine leafroll disease (GLD), caused by a number of GLRaVs, are more apparent on red-fruited vinifera cultivars than whites and they vary based on variety of factors including environmental conditions, … Continue reading

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Sooty mould — a sure sign of mealybugs (and sometimes scales)

W. McFadden-Smith (OMAFRA), S. Poojari and J.P. Parent (AAFC) A few weeks ago, it was easy to find mealybugs and scales on foliage and fruit in vineyards that had not been sprayed with Movento.  Mealybugs and scales secrete a sugary … Continue reading

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Fungal disease management in grapevines for the remainder of the 2017 season

The frequent rains, heavy dews, fog, overcast skies and moderate temperatures have promoted infections by downy and powdery mildew.  Strictly protectant fungicides cannot stand up to the heavy rains that have occurred this year.  Dense canopies prevent air movement to … Continue reading

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Cherry Growers Must Use Disease Management Strategies When it Comes to SWD

Click on the link below to read this article from the Growing Produce website: Researcher: Cherry Growers Must Use Disease Management Strategies When it Comes to SWD

Posted in Cherries, Insects, spotted wing drosophila, swd, Uncategorized | Tagged , , , , | Leave a comment

Mealybug Update, July, 2017

My crew has been out monitoring mealybug development in several vineyards this summer.  The majority of mealybug populations are in the egg or first instar stage.

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Glyphosate Resistant Canada Fleabane in Ontario Orchards and Vineyards

Kristen Obeid, OMAFRA Weed Specialist – Horticulture Glyphosate resistant Canada fleabane has been confirmed in 28 counties throughout the province.  Some counties also have multiple resistant Canada fleabane which is resistant to both glyphosate and ALS or group 2 herbicides.  … Continue reading

Posted in Apples, Apricots, Cherries, Fresh Grapes, Grapes, Nectarines, Peaches, Pears, Pest Management, Plums, Tender Fruit, Weeds, Wine Grapes | Tagged , , , | Leave a comment