Category Archives: IPM

Calling All Nursery Growers! (Feb 9/16)

Posted on February 2, 2016 by Jen Llewellyn

  The Ontario Nursery Industry will welcome renowned industry expert, Dr. Henry Losing, from the Versuchs und Beratungsring horticultural institute in Germany.  Dr. Losing will be the keynote speaker for the… 2016 Ontario Nursery Growers Short Course (Register – click here)  … Continue reading →

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Growers Short Course Boasts International Expert as Keynote

Posted on December 16, 2015 by Jen Llewellyn

  The Ontario Nursery Industry will welcome renowned industry expert, Dr. Henry Losing, from the Versuchs und Beratungsring horticultural institute in Germany.  Dr. Losing will be the keynote speaker for the… 2016 Ontario Nursery Growers Short Course        … Continue reading →

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Plant Phenology Indicators make Monitoring A LOT easier

Posted on October 15, 2015 by Jen Llewellyn

 Growers and landscapers use Growing Degree Day models to help predict when various developmental stages of pests will be present, based on temperature data they have collected themselves or obtained from the local weather office. These GDD pest models can … Continue reading →

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August 10, the Monday Report

Posted on August 10, 2015 by Jen Llewellyn

Magnolia Scale is just NASTY this year. CRAWLERS have hatched but are still hiding underneath the female scales.  Pick off scales to reveal dark grey eggs and crawlers (eggs with legs) underneath.  The crawlers will hatch and gradually emerge out from … Continue reading →

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July 3, The Friday Report

Posted on July 3, 2015 by Jen Llewellyn

 What a gorgeous week to be living in ONtario!  If can you, get outside this weekend and participate in one of the many butterfly/dragonfly/bioblitz counts going on.  A full list of events can be found at Ontario Nature. Plant Phenology … Continue reading →

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The Thursday Report

Posted on June 25, 2015 by Jen Llewellyn

It’s usually somewhere around this time of early summer that we have a chance to take a breath.  Its been another intense, extreme weathered spring and YOU deserve some time off for good behavior.  For me, that’s spending time in … Continue reading →

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A Few Pests Out There

Posted on June 16, 2015 by Jen Llewellyn

The rain has stopped for now, but a chance of showers are still in the forecast for much of southern Ontario.  Even if its not raining, a few minutes of working outside and it will feel like it is :0 … Continue reading →

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June 8 – Do You Know Where Your Bugs Are?

Posted on June 8, 2015 by Jen Llewellyn

It’s official, climatologists are calling for a cooler summer with above average precipitation for the Great Lakes Region, that means us.  Weather phenomena are conspiring to make this a wetter and potentially cooler season for us.  This means exceptional transplant … Continue reading →

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Potato Leafhoppers are Feeding on Shade Trees

Posted on June 8, 2015 by Jen Llewellyn

ADULT Potato leafhoppers are feeding on deciduous shade trees in the nursery.  Young nursery stock is more susceptible to injury  and damaged trees can be more at risk of winter dieback. ADULT potato leafhoppers overwinter in the southern states, gradually migrate … Continue reading →

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Spruce Sawfly is Doing It’s Thing

Posted on June 8, 2015 by Jen Llewellyn

Take a quick scan of the new growth on spruce, especially Colorado spruce (Picea pungens).  Look for straw-like needles that are withering….and the disappearance of needles all together.  This is very typical damage of Yellow Headed Spruce Sawfly (Pikonema alaskensis).

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