Tag Archives: nematodes

A Guide to Soil Sampling for Lavender

Soil sampling is an important aspect of crop management. It is essential for managing nutrients, especially phosphorus (P) and potassium (K), and adjusting the pH of the soil. It can also be an important tool for diagnosing soilborne pest issues … Continue reading

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Pest Control Product Changes for Ginseng for the 2021 Growing Season

With a new season beginning, growers are starting to apply products for disease control on ginseng. Here are the changes in pest control products since last spring. Nematode Control Velum Prime (fluopyram) is now registered for control of soil dwelling/root … Continue reading

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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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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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Think You Have a Root Lesion Nematode Problem in Your Ginseng? Think Again

We constantly get reports of significant root lesion nematode problems in ginseng, mostly based on the appearance of rusty symptoms and/or constrictions on roots. However, when ginseng fields are tested for nematodes beyond ginseng germination, we rarely can find any … Continue reading

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Fumigation Best Practices for Ginseng

This is the time of year ginseng growers prepare new land for fumigation. Based on the numerous trials OGGA and OMAFRA have conducted over the past 8 years on fumigation, proper preparation and sealing of the fumigant into the soil … Continue reading

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