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Category Archives: Nursery Production
Welcoming The Victoria Day Long Weekend!
What a treat! Several of our sugar maples are blooming this year all over southern Ontario, from Barrie to Niagara, these native beauties are gracing our landscapes with blooms. Its been 5 years since sugar maples were blooming like this. The cooler weather continues! Climatologists are predicting that our daytime temperatures will stay moderate until about the […]
Keep Protecting Susceptible Malus, Pyrus etc.
Fireblight (apple, pear, see above) and Apple Scab (apple) diseases are normally reproducing and spreading this time of year. This week we are more concerned about Apple Scab. The cool weather has really reduced the activity of fireblight bacteria and so the risk of fireblight is looking low again this week.
Posted in Diseases, IPM, landscape, Nursery Production
Tagged apple scab, fireblight, Jen Llewellyn, mike celetti
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Insect Pests on Evergreens Right Now
Look for small, white, woolly tufts or masses on the twigs of hemlock (Tsuga canadensis) (Photos: Julie Holmes, CFIA). It is still a good time to scout for Hemlock Woolly Adelgid (Adelges tsugae) because of the visibility of the white … Continue reading
Posted in Insects, landscape, Nursery Production
Tagged evergreen ipm, Jen Llewellyn, onnurserycrops
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Protect Crabapple, Serviceberry, Pears Now From Juniper Rusts
Gymnosporangium rusts are sporulating now on Juniperus hosts. Look for orange, gelatinous structures on foliage and stems of various Juniperus spp. They are sporulating both in container production and in the field. They can be found sporulating when the Cercis … Continue reading
Posted in Diseases, landscape, Nursery Production
Tagged cedar apple rust, gymnosporangium rust, Jen Llewellyn, onnurserycrops
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Those Darling Buds of May- 2018
Lots of early Plant Phenology indicators are blooming this week! That puts us somewhere around 15-25 GDD’s Base 10C in the GTA. A little more in the southwest (London and west). Plant Phenology indicators this week … Continue reading Continue reading
But Baby, It’s Cold Outside
Fireblight (apple, pear, see above) and Apple Scab (apple) diseases are normally reproducing and spreading this time of year. This week we are more concerned about Apple Scab. The cool weather has really reduced the activity of fireblight bacteria and so the risk of fireblight is looking low again this week.
Posted in Diseases, IPM, landscape, Nursery Production
Tagged apple scab, fireblight, Jen Llewellyn, mike celetti
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Canadian Agricultural Partnership Funding for Producers, Processors and Other Businesses Now Available
Starting on April 3, 2018, producers, processors, and other businesses can apply for cost-share funding through the Canadian Agricultural Partnership (the Partnership), a new five-year commitment by Canada’s federal, provincial and territorial governments that will support Canada’s agri-food and agri-products sectors. CAP is … Continue reading
Posted in Funding Opportunity, Nursery Production
Tagged Canadian Agricultural Partnership, CAP
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Have you had your say on the Ontario Ag Soil Health Strategy?
Healthy soil is essential for life and is the heart of our food system. In Ontario, as elsewhere around the world, soil is at risk from many threats. Ontario’s proposed Soil Health strategy builds on the Sustaining Ontario’s Agricultural Soils. … Continue reading
Posted in Nursery Production
Tagged omafra soil health, ontario soil health strategy
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A Few Opportunities for IPM
Bright, orange-red lesions of Pear Trellis rust (Gymnosporangium sabinae) are still quite visible on ornamental pear trees right now. Take a look at the undersides of those rust lesions to find sporulating structures, called “aecia” (pronounced “ay-see-a”). These stringy, trellis-like … Continue reading
Hold Off on Fall Fertilizer Where Soil is Dry
Warm, sunny days and cold nights give rise to the most spectacular fall colours. Unfortunately, that long stretch of unseasonable warm, cloudy days and warm nights in September certainly stalled out leaf colour development this year.
Posted in landscape, Nursery Production, Plant Nutrition
Tagged fall fertilizing, Jen Llewellyn, onnurserycrops
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