Category Archives: Weekly Nursery Landscape Report

Leps are languishing…. time for biocontrol

                Seeing holes in leaves on deciduous trees?  This majestic 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 … Continue reading

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Welcome May 24 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 […]

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Welcome LO Nursery Scout and OMAFRA Students!

Welcome to our new 2017 LO Nursery Scout and OMAFRA Summer Student!           Melissa Huntley (left) and Andrea Badder (right) have been working diligently to scout for pests and abiotic issues in nursery crops.  The cold, … Continue reading

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April Showers, Bring May Diseases

                           This cooler weather has been a nice break, slowing down plant development and reducing heat and desiccation stress on newly planted or harvested nursery stock.  We inched up a little in Growing Degree Days and Plant Phenology this week.

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Warmer Temperatures Coming This Week

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Spruce Spider Mites are Loving This Weather!

          Monitor for adults and eggs of spruce spider mite (Oligonychus ununguis) on conifers with a history of mite damage (Abies, Picea, Thuja).  These are COOL season mites that will feed on current seasons’s foliage well into the … Continue reading

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Introduced Beech Scale Nymphs on American Beech

  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.  Look for

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