Photo of the Week
Cute little Pale Green Weevils (Polydrusus impressifrons) can be found crawling everywhere right now. Fear not, their feeding is of little consequence :)
Category Archives: Nursery Production
Get Ready for Fall Dormant Horticultural Oil
In mid-late autumn, we have an opportunity to manage some of our plant pests, such as mite eggs and scale insect nymphs, before they go completely dormant. Now that trees are starting to drop their leaves and the weather has … Continue reading
Memories of an OMAFRA Summer Field Technician
I am Mieke Boecker, the 2021 OMAFRA Summer Field Technician. I worked closely with Jen Llewellyn, OMAFRA Nursery and Landscape Specialist on several projects and this article outlines some of the highlights of my summer contract with OMAFRA.
The Friyay Report – July 8th, 2021
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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Plant and Insect Development is 2 Weeks + Ahead of Last Year!
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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Hot, Humid Days are Here
Gymnosporangium rusts, like this Cedar-Apple Rust gall, are finally sporulating! These rusts overwinter on perennial gall on the evergreen Juniperus hosts. In the spring, they are stimulated to sporulate during warm, wet periods. We’ve had the heat, but its been … Continue reading
An Ill Wind That Blows No Good….#GypsyMoth 2021
First instar Gypsy moth (Lymantria dispar) larvae have hatched and are dispersing, especially in the Southwestern part of the province! Continue reading
Scout Evergreens Now to Catch Pests Early
Posted in Insects, landscape, Nursery Production
Tagged evergreen ipm, Jen Llewellyn, onnurserycrops
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Those Precocious Blooms of April!
outher Norway maple (Acer platanoides and its cultivars) are just starting to bloom in the GTA, making this one of the earliest blooms for trees since 2012! Continue reading
Crabapple Disease Management Begins Soon!
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, katie goldenhar, kristy grigg-mcguffin
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