Tag Archives: Insects

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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Ginseng Crop Update – Alternaria Management – June 5, 2020

With ginseng plants stressed from prolonged cold and/or freeze damage in many fields, they are more susceptible to foliar diseases including Botrytis and Alternaria leaf blights. Combined with ideal warm, dry and humid conditions for Alternaria, the risk of Alternaria … Continue reading

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Ginseng Crop Update – Insect Management May 29, 2020

Now that ginseng canopies will soon be closing, the risk of foliar disease will only continue to increase. Alternaria, Botrytis and Phytophthora blights are all potential issues currently. Continue to protect the foliage from all three diseases, paying particular attention … Continue reading

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Pest Control Products Registered for Use on Ontario Lavender in the Greenhouse and the Field

There is a common myth that lavender does not have any pests and can actually repel pests from the garden. This often means that pest management is the last thing a grower thinks about when managing lavender. The reality is … Continue reading

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