Category Archives: Arboriculture

Upcoming IPM Workshop for Landscape, Arboriculture and Garden Centre Pro’s

Posted on March 6, 2019 by

Looking for a fun, educational workshop to brush up on your integrated plant health knowledge and skills?  Looking to network with other professionals? Have I got the workshop for you! Advertisements

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Did You Manage to Manage Beech Scale This Fall?

Posted on October 29, 2018 by

  Introduced Beech scale (Cryptococcus fagisugae) is easier to see this time of year on our native American beech (Fagus grandifolia).  That’s because of the white waxy coverings the females produce to protect their eggs. 

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You Must Remember This?

Posted on October 23, 2018 by

Now is the time for dormant oil applications to smother overwintering pear leaf blister mites Continue reading →

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IPM This Week – July 9, 2018

Posted on July 9, 2018 by

                 Fall webworm (Hyphantria cunea) are laying their eggs on foliage (Juglans, Prunus, Betula, Fraxinus) at this time (Photo: Charlotte Thomson, LO Nursery Scout).  They have multiple generations per year and most people … Continue reading →

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Leps are languishing…. time for biocontrol

Posted on June 1, 2018 by

                Seeing holes in leaves on deciduous trees?  This sugar maple was showing interveinal holes and closer inspection revealed fall cankerworm (Alsophila pometaria) larvae on the leaf undersides.  Larvae are pale green (although you’ll often … Continue reading →

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Upcoming IPM Workshops for Landscape, Arboriculture and Garden Centre Professionals!

Posted on June 1, 2018 by

Looking for a fun, educational workshop to brush up on your plant health knowledge and skills?  Looking to network with other professionals? Have I got the workshop for you! OMAFRA-ISA Course: “IPM for Woody Plants” Click below for registration page:

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Fall Cankerworm & Gypsy Moth Populations Looking Moderate-High in Some Areas

Posted on May 22, 2018 by

                Seeing holes in leaves on deciduous trees?  This sugar maple was showing interveinal holes and closer inspection revealed fall cankerworm (Alsophila pometaria) larvae on the leaf undersides.  Larvae are pale green (although you’ll often … Continue reading →

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