Author Archives: Sean Westerveld

About Sean Westerveld

Ginseng and Medicinal Herbs Specialist, OMAFRA

Irrigation Water Quality and Mitigating Food Safety Risks

By Rebecca Shortt, Kathryn Carter, and Danielle Visschedyk, OMAFRA Irrigation water can contain pathogens, microorganisms that cause illness or death in humans.  Every time contaminated water comes in direct contact with fruit or vegetables, there is a risk that these … Continue reading

Posted in All Specialty Crops | Tagged , , | Leave a comment

Command Herbicide Registered for Use on Cilantro

Modified from an article written by Jim Chaput, OMAFRA, Minor Use Coordinator, Guelph The Pest Management Regulatory Agency (PMRA) recently announced the approval of minor use label expansion registrations for Command 360 ME Herbicide for management of labeled weeds on … Continue reading

Posted in Culinary, Herbs | Tagged , , | Leave a comment

Guide to Weed Control Hort Crops 2018 – Pub 75B is Now Available

Originally posted on ONfruit:
Kristen Obeid, Weed Management Specialist – Horticulture The OMAFRA Guide to Weed Control Hort Crops 2018 (Publication 75B) is available in the following formats: ENGLISH PRINT VERSION (2018): Go to http://www.blurb.ca/b/8811220 to order a print copy OR …

Posted in Uncategorized | Leave a comment

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

Posted in Culinary, Herbs | Tagged , , | 2 Comments

Lavender Crop Update – June 22, 2018

Angustifolia cultivars of lavender are approaching the beginning of bloom in many areas. Many fields are full of colourful buds, but bloom doesn’t begin until the flower petals emerge from the buds and open. Harvest for buds and dried bundles … Continue reading

Posted in Herbs, Lavender | Tagged , , | Leave a comment

Final Re-evaluation Decisions for Mancozeb and Iprodione: All Uses on Ginseng Cancelled

The Pest Management Regulatory Agency of Health Canada has issued its final decisions on the re-evaluations of mancozeb products (e.g. Dithane, Manzate, Penncozeb, Kingpin) and iprodione (Rovral). All applications of these products to ginseng are being cancelled. Application of these … Continue reading

Posted in Ginseng, Ginseng Pest Management | Tagged , , | Leave a comment

Ginseng Crop Update – June 22, 2018

Following heavy rains in many areas earlier this week, many ginseng gardens were flooded, at least temporarily. With the potential for three days of wet weather this weekend the risk of Phytophthora will be greatly increased. The risk will be … Continue reading

Posted in Ginseng, Ginseng Pest Management | Tagged , | Leave a comment