Tag Archives: Pest Management

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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Ginseng Crop Update – Pre-Plant Nematode Management – June 24, 2020

Ginseng Crop Update Alternaria remains the biggest challenge for most growers. The problem stems from freeze damage/stunting in May and ideal weather conditions for Alternaria – hot and dry with long dew periods. With insufficient rains over the past few … Continue reading

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Bioceres WP Registered for Use on Greenhouse-Grown Mint and Additional Greenhouse Crops

By: Jim Chaput, OMAFRA, Minor Use Coordinator, Guelph The Pest Management Regulatory Agency (PMRA) recently announced the approval of a minor use label expansion registration for Bioceres WP Biological Mycoinsecticide for reduction in numbers of whiteflies, aphids and thrips on … Continue reading

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Lavender Harvest Timing – Lavender Crop Update June 12, 2020

Crop Update Insect activity in lavender has increased, with four-lined plant bug and spittlebugs being the biggest issues. Four-lined plant bugs are in the late nymph (Figure 1) or adult (Figure 2) stages. Look for pale red nymphs with black … Continue reading

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