Tag Archives: Pest Management

Velum Prime Nematicide Label Expanded Via Minor Use Program for Management of Nematodes on Ginseng

By Jim Chaput, OMAFRA Minor Use Coordinator The Pest Management Regulatory Agency (PMRA) recently announced the approval of minor use label expansion registrations for VelumTM Prime Nematicide/Fungicide for the suppression of nematodes on ginseng, caneberries, pome fruit and stone fruit … Continue reading

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Downy Mildew Identified on Hemp (Cannabis sativa) in Southwestern Ontario

By: Amy Fang Shi, Sean Westerveld, Jim Todd and Melanie Filotas Downy mildew of hemp (also known as cannabis downy mildew) has been identified in multiple hemp fields in southwestern Ontario. The disease first appeared in early September and was … Continue reading

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Ginseng Crop Update – Dealing with Early Senescence, August 28, 2020

Given the major stresses experienced by the ginseng crop this year, including early frost damage, hot and dry conditions, and high Alternaria pressures, many gardens are senescing early this year. There are a few things to consider for proper management … Continue reading

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Lavender Crop Update – Late Summer Management – August 21, 2020

August to October is the time lavender plants recover from the bloom period and put on new growth. August is the best time to fertilize plants and prune. Now that we are getting closer to the end of August, pruning … Continue reading

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Miravis Duo Fungicide Registered for Use on Ginseng and Hazelnut

Syngenta Canada has recently announced that the Miravis Duo fungicide label has been expanded to include the control of Alternaria blight of ginseng and eastern filbert blight of hazelnut, in addition to many other horticultural crops. Miravis Duo consists of … Continue reading

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Fungicide Resistance in Alternaria? Ginseng Crop Update July 17, 2020

With the persistent heat and dry conditions so far this summer, ginseng is stressed, and root development will be reduced. These conditions are also ideal for Alternaria development and spread. As a result, problems with Alternaria are continuing in many … Continue reading

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