Category Archives: Grapes

Brown marmorated stink bug (BMSB) update, 2018

Brown marmorated stink bug (BMSB), Halyomorpha halys Stål, is an invasive pest native to East Asia. First identified in Pennsylvania in 2001, it has now been detected in 44 states and 3 provinces (Ontario, Quebec and British Columbia), and is … Continue reading

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SWD Update August 17

This post contains a summary of trap counts for the week of August 13. The traps are shifting from berry crops to later stone fruit and early grape varieties.

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PMRA Evaluation of mancozeb and metiram products

PMRA released their evaluation for mancozeb and metiram products in June, 2018. According to that decision, all uses of products containing mancozeb (Manzate, Penncozeb, Dithane, Ridomil Gold MZ and Gavel) and metiram (Polyram) were to be cancelled with the exception … Continue reading

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Weeds to Watch: Invasive Pigweeds – Waterhemp and Palmer Amaranth

Kristen Obeid, OMAFRA Weed Management Specialist – Horticulture Dave Bilyea, Weed Management – Horticulture, University of Guelph, Ridgetown Campus

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We want your MALB (alive)!

As part of the study on mitigation of multi-coloured Asian ladybeetle in vineyards, we require a large number of beetles.  If you find them in your vineyard, orchard, berry patch or even in your garden, give us a call and … Continue reading

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Grapevine viruses – Symptoms and Testing

Symptoms of diseases caused grapevine leafroll-associated-3 (GLRaV-3) and grapevine red blotch virus (GRBV) have become apparent in infected vines in the past couple weeks.

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SWD Update August 10

This post contains a summary of trap counts for the week of August 6. Please refer to previous blog posts for counts from earlier in the growing season. The regional monitoring program is being conducted in berry and stone fruit … Continue reading

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