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Tag Archives: Pests
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
Posted in Industrial Hemp
Tagged Diseases, Downy Mildew, Hemp, Industrial crops, Industrial Hemp, pest control, Pest Management, Pests
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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
Posted in Ginseng, Ginseng Pest Management
Tagged Diseases, Fungicide, Ginseng, Pest Control Products, Pest Management, Pests
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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
Posted in Ginseng, Ginseng Pest Management
Tagged Diseases, Ginseng, Insects, nematodes, Pest Management, Pests
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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
Posted in Ginseng, Ginseng Pest Management
Tagged Diseases, Ginseng, Insects, Pest Management, Pesticide, Pests
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Quinoa Crop Update – August 16, 2018
Evan Elford, OMAFRA New Crop Development Specialist Melanie Filotas, OMAFRA Horticulture Integrated Pest Management Specialist At this point in the growing season we typically receive calls from quinoa growers about goosefoot groundling moth (Scrobipalpa artiplicella), tarnished plant bug (TPB) (Lygus … Continue reading
Posted in Quinoa, Specialty Grains, Uncategorized
Tagged crop update, Pest Management, Pests, Quinoa, Resources
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Spotted wing drosophila and haskap
Haskap is traditionally not thought of as having many pest issues beyond birds, however growers should be aware that it can be at risk from spotted wing drosophilla. Spotted wing drosophila (SWD) is an invasive vinegar fly from Asia that … Continue reading
Posted in Haskap, Specialty Fruit and Nuts
Tagged Haskap, Pest Management, Pests, spotted wing drosophila
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