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Category Archives: IPM
Warmer Temperatures Coming This Week
Lots of Plant Phenology indicators are blooming this week! That puts us somewhere around 35 and 55 GDD’s Base 10C in the GTA. A little more in the southwest and a little less above Hwy 9. Plant Phenology indicators this … Continue reading Continue reading
Dormant Oil For IPM
We’ve got milder temperatures starting today and yes, it’s still a good time to get some late dormant oil applications on in many areas of southern Ontario (Photo: overwintering nymphs of magnolia scale). As long as there is no sensitive vegetative or flower tissue emerging, you can still make dormant rate, horticultural oil applications for […]
Spring is Springing!
It was quite the wait wasn’t it? After witnessing one of the warmest February’s on record, March was quite a shock. But we seem to be on track now with a warming trend on the 7 day weather forecasts. Night … Continue reading
New Weed ID Resource for Ontario
Great New Resource for This Field Season: Weed ID Guide for Ontario Crops (this is a repost from ONfruit) The new Weed ID Guide for Ontario Crops features over 120 species commonly found in and around agricultural fields, and is now available in … Continue reading
Posted in IPM, Weeds
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Upcoming IPM Workshop for Landscape, Arboriculture and Garden Centre Pro’s
Looking for a fun, educational workshop to brush up on your plant health knowledge and skills? Looking to network with other professionals? Have I got the workshop for you! March 28, 2017: IPM in the Woody Landscape at Landscape Ontario in … Continue reading
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
Posted in IPM, Mites, Weekly Nursery Landscape Report
Tagged dave cheung, Jen Llewellyn, spruce spider mite
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Get Ready for Fall Dormant Oil Applications
Today marks the first day of Autumn. And with it another interesting calendar event, the Autumn Equinox. Like the Spring Equinox (March 21), the Autumn Equinox marks a unique period of time where the length of daylight and night time … Continue reading
Posted in Arboriculture, IPM, Uncategorized
Tagged black-legged meadow katydid, dormant oil, Jen Llewellyn, steve paiero
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Unwanted Herbivores in the Nursery and Landscape
Last fall and winter was one that I’ll always remember. The rodent population went NUTS and we had a lot of feeding damage on nursery and landscape plants. This year, we haven’t seen as many rodents around. Low precipitation … Continue reading
Good News! Beneficial Insects Found on Magnolia.
So I started getting some queries about a new mealybug found on Magnolias in the landscape. You can imagine my despair, the poor magnolias have their fair share of sucking insect pest problems with the glut of Magnolia scale we … Continue reading
Posted in IPM
Tagged Hyperaspis, Jen Llewellyn, magnolia scale predator, Michael Raupp
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Magnolia Scale, the plague of the landscape
Magnolia Scale is just rampant this year again. And to make matters worse, there seems to be two developmental groups of them, a smaller subset about 3 weeks behind the older ones (see photo above). This means a second set of … Continue reading
Posted in IPM, Weekly Nursery Landscape Report
Tagged arboriculture, fall webworm, Integrated pest management, IPM, Jen Llewellyn, magnolia scale
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