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Category Archives: Arboriculture
Invasive Species Center events: SLF and BLD workshops this summer
Two FREE invasive species workshops are coming up this summer hosted by the Invasive Species Centre. On July 24 there will be an in-person workshop in Brighton focused on beech leaf disease. On August 6, there will be a spotted … Continue reading
Posted in Arboriculture, Invasive Species, IPM
Tagged beech leaf disease, beech leaf disease ontario, beech leaf disease workshop, BLD, BLD brighton, BLD ontario, hamilton workshop, invasive pests ontario, invasive species centre, invasive species learning, invasive species ontario, nursery crops, ornamentals, SLF, SLF workshop, spotted lanternfly, spotted lanternfly workshop
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Boxwoods: Time to check & treat for the next generation of box tree moth
Adult box tree moths have been observed and captured throughout Southern Ontario over the last couple weeks and as their eggs hatch, early instar box tree moth larvae will start to feed again on boxwood shrubs. This second period of … Continue reading
Beech Leaf Disease in Ontario: What is it, where is it, and what to look for
Across Ontario, reports of beech leaf disease (BLD) in the landscape have been steadily increasing and now some nurseries are also starting to see symptomatic trees. There’s a lot of unanswered questions about this new plant health issue. In the … Continue reading
Posted in Arboriculture, Diseases, Invasive Species, IPM, Nursery Production
Tagged banding on beech trees, beech leaf disease, beech mortality, beech tree health, beech tree issues, BLD, BLD ontario, Fagus, foliar nematode, L. crenatae, nursery and landscape plants, nursery crops, Nursery IPM
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August is Tree Check Month!
This annual campaign urges Canadians to thoroughly inspect trees and plants in their backyards, gardens, parks, and vehicles for invasive pests.
Box Tree Moth: Time to scout and treat the second generation
Adult box tree moths have been observed throughout Southern Ontario over the last couple weeks and as their eggs hatch, early instar box tree moth larvae start to feed again on boxwood shrubs. This second period of feeding activity is … Continue reading
Posted in Arboriculture, box tree moth, Insects, Invasive Species, IPM, landscape
Tagged box tree moth, boxwood, BTM, btm larvae, buxus, IPM, ipm in the landscape, second generation, treat btm
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Reminder: No pruning oaks from now until November
Calling anyone who deals with oak trees including nurseries, garden centers, homeowners and tree professionals! Let this be your friendly reminder: now that April is upon us, you should hold off on pruning your oaks until November to protect trees … Continue reading
Posted in Arboriculture, Diseases, Insects, IPM, landscape
Tagged CFIA, isa ontario, oak pruning, oak wilt, oak wilt ontario, quercus, regulated pest
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Box Tree Moth: Time to start treating the second generation
Early instar box tree moth larvae have started to be found on boxwood shrubs in Ontario; mainly in the GTA and Niagara region. This is the start of the second generation. Now is the time to inspect your boxwoods again … Continue reading
Posted in Arboriculture, Insects, Invasive Species, IPM, landscape
Tagged box tree moth, boxwood, BTM, btm larvae, buxus, IPM, ipm in the landscape, second generation, treat btm
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Don’t give a free ride to the Spotted Lanternfly
Authored by Hannah Fraser, Wendy McFadden-Smith, Cassie Russell, and Denise Beaton, OMAFRA Spotted lanternfly (SLF), Lycorma delicatula, is an invasive sap-feeding planthopper native to Asia. First identified in Pennsylvania in 2014, it has spread to at least 14 states. While live … Continue reading
Posted in Arboriculture, Insects, Invasive Species, landscape
Tagged Invasive species, lanternfly, SLF, SLF ontario, spotted lanternfly
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NEW PEST ALERT: First Canadian Detection of Oak Wilt In Niagara
Article authored by Jenny Liu – Agroforestry, Maple, and Tree Nut Specialist, OMAFRA. FROM THE CFIA: “Oak wilt has been found in a residential area in Niagara Falls, Ontario. This is the first confirmed detection of oak wilt in Canada. To … Continue reading
Posted in Arboriculture, Diseases, Environment, Invasive Species, landscape
Tagged Invasive species, oak wilt, oak wilt canada, oak wilt niagara
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Get Ready for Fall Dormant Horticultural Oil
In mid-late autumn, we have an opportunity to manage some of our plant pests, such as mite eggs and scale insect nymphs, before they go completely dormant. Now that trees are starting to drop their leaves and the weather has … Continue reading
