Category Archives: Nursery Production

You Must Remember This?

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

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

IPM This Week – July 9, 2018

                 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

Happy Summer Solstice (Yesterday) Eh?

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 […]

Continue reading

Posted in Insects, IPM, landscape, Nursery Production | Tagged , , , | Leave a comment

It’s June 1st Already!

 We’ve just entered one of the busiest times of year for IPM managers of outdoor ornamentals. Plants are lush and pests and diseases are hungry. Are you seeing discoloured, pimple-like spots on the foliage of pear trees?

Posted in Diseases, Insects, Nursery Production, Plant Nutrition, Weekly Nursery Landscape Report | Tagged , , , | Leave a comment

Welcoming The Victoria Day Long Weekend!

  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 […]

Continue reading

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

Keep Protecting Susceptible Malus, Pyrus etc.

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.    

Continue reading

Posted in Diseases, IPM, landscape, Nursery Production | Tagged , , , | Leave a comment

Insect Pests on Evergreens Right Now

Look for small, white, woolly tufts or masses on the twigs of hemlock (Tsuga canadensis) (Photos: Julie Holmes, CFIA). It is still a good time to scout for Hemlock Woolly Adelgid (Adelges tsugae) because of the visibility of the white … Continue reading

Posted in Insects, landscape, Nursery Production | Tagged , , | Leave a comment