Category Archives: Uncategorized

Boxwood Leafminer Adults Abound!

Boxwoods in the landscape not looking so good coming out of the winter?  Are you seeing a lot of yellow leaves? Can you see any yellow-green-brown spots?

Posted in Insects, landscape, Uncategorized, Weekly Nursery Landscape Report | Tagged , , , , | Leave a comment

Managing Spring Pests on Evergreens

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

Posted in Insects, Uncategorized | Tagged , , | Leave a comment

Protect Rosaceous Hosts Now From Juniper Rusts

Gymnosporangium rusts are sporulating now on Juniperus hosts.  Look for orange, gelatinous structures on foliage and stems of various Juniperus spp.  They are sporulating both in container production and in the field.  They can usually be found sporulating when the … Continue reading

Posted in Diseases, Uncategorized | Tagged , , | Leave a comment

Protect Malus and Pyrus Now

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, Nursery Production, Uncategorized | Tagged , , , | Leave a comment

Protect Malus Against Apple Scab

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, Nursery Production, Uncategorized | Tagged , , , | Leave a comment

Ontario Commercial Arborist Association meets Friday, March 24

2017 Plant Health Care Seminar by the Ontario Commercial Arborist Association (OCAA) OCAA’s yearly plant health care seminar is a must for OCAA members and all arborists to stay up to date with new information on pests and control methods.  … Continue reading

Posted in Uncategorized | Leave a comment

BugFinder is here!

It’s finally here! BugFinder, the ultimate scouting app for woody plants in the nursery and landscape. 

Posted in Uncategorized | Leave a comment