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

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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.

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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 […]

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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 […]

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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

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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

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They’re BACK! Gypsy moth are hatching!

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Scout Evergreens Now to Catch Pests Early

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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

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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.    

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