Category Archives: Arboriculture

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.  Advertisements

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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 →

Posted in Arboriculture, Christmas Trees, IPM, landscape, Nursery Production, Weekly Nursery Landscape Report | Tagged , , , , , , , | Leave a comment

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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Welcoming The Victoria Day Long Weekend!

Posted on May 18, 2018 by

  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 […]

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Posted in Arboriculture, Diseases, IPM, Nursery Production, Weekly Nursery Landscape Report | Tagged , , , , | Leave a comment