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Author Archives: Jen Llewellyn
Pesky Pests Running Among Us
One of the most filthiest scale insect pests known to horticulturalists, the Euonymus scale (Unaspis euonymi) is a tiny little armored scale that covets evergreen Euonymus fortunei in the garden or landscape. Adult females have a dark cover that is wider at the posterior end, sea-shell in appearance with white margins. The smaller males have […]
Posted in Insects, IPM, landscape, Nursery Production
Tagged bugfinder, dave cheung, Jen Llewellyn, onnurserycrops
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Crab-apples looking…..rough?
Yes the exceptionally cold, wet, cloudy spring has been particularly supportive of fungal and bacterial diseases during leaf emergence this year. And our ornamental crab-apples are paying the price with thinning canopies and dieback. Click HERE for the AUDIO … Continue reading
Posted in Diseases, Weather
Tagged apple scab, fireblight, Jen Llewellyn, mike celetti, onnurserycrops
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Injectable Solutions for Landscape Trees
The black locust (Robinia pseudoacacia) are in full bloom as this is the phenology indicator species for the emergence of emerald ash borer adults.
Blasted Blight on our Beautiful Maples
Seeing dark spots and blighted tissue on our native maple leaves?
Professional IPM Field Tour for Trees in SW Ontario (Strathroy, June 20)
Arboriculture & Landscape Pro’s: this workshop is for you:
Posted in Educational Opportunities, IPM
Tagged becky moule, isa ontario, Jen Llewellyn, olympic tree care, omafra
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Does It Seem Like All We Do Is Work?
There are lots of pest and plant health issues out there right now so check out my last few posts from the last week or so. Recently planted trees not looking so good? The 2016 growing season was extremely hot and dry and was very hard on landscape ornamentals, especially those planted in the […]
Posted in Arboriculture, Insects, IPM, landscape, Nursery Production
Tagged bugfinder, dave cheung, Jen Llewellyn, melissa huntley, onnurserycrops
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Android BugFinder Now Available!
Oh yes, Oh yes it’s finally here! The Android version of BugFinder and let me tell you….. it rocks!
The Friday Report, June 2
There are lots of pest and plant health issues out there right now so check out my last few posts from the last week or so. Recently planted trees not looking so good? The 2016 growing season was extremely … Continue reading
Posted in Arboriculture, Insects, IPM, landscape, Nursery Production
Tagged bugfinder, dave cheung, Jen Llewellyn, onnurserycrops
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Boxwood Leafminer Adults Abound!
Boxwoods in the landscape not looking so good coming out of the winter? Are you seeing a lot of yellow leaves? Can you see any yellow-green-brown spots?
Rough Winds Do Shake the Darling Buds of May
Click HERE for the AUDIO version of this blog post. We are seeing wind tattering damage on tender … Continue reading
