Tag Archives: Diseases

Ginseng Crop Update – Dealing with Frost Damage May 22, 2020

The damage from last week’s freeze events has become more evident over the past few days. In past frost events, typically the stem is the most affected by frost, either resulting in kinking or splitting. This can weaken the top … Continue reading

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Ginseng Crop Update – Protecting Frost Damaged Plants – May 13, 2020

Varying amounts of damage from the past week’s freeze and snow events are being reported depending on the low temperatures in the area, how emerged the crop is, whether row covers were put on the crop, and how much snow … Continue reading

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Frost and Cold Temperature Impacts for Ginseng

Unusually cold temperatures are in the forecast this week, especially late in the week and into the weekend. Temperatures at night could be as low as -5oC according to Environment Canada, although other forecasts range from lows of -1 to … 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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Managing Spring Foliar and Root Diseases – Ginseng Crop Update April 24, 2020

Phytophthora leaf blight on ginseng in a previous year. The cold weather over the past week has slowed down ginseng emergence considerably. Emergence is now delayed to around normal for this time of year. Temperatures are forecast to remain below … Continue reading

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Ginseng Crop Update – Spring Considerations – April 14, 2020

This is the first ginseng crop update of the 2020 growing season. This spring represents some unique challenges for ginseng production. The primary concern is the availability of labour and the timing of pulling shade over the gardens. There are … Continue reading

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Diagnostics from a Distance: 5 tips on how to get the answers you need

The following article was written by Dr. Sarah Jandricic, Greenhouse Floriculture IPM Specialist and Dr. Chevonne Dayboll, Greenhouse Floriculture Specialist with OMAFRA. Although written for a greenhouse-based industry, the same principles apply for field-grown crops. The only difference is for … Continue reading

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