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Category Archives: Weekly Nursery Landscape Report
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?
Rough Winds Do Shake the Darling Buds of May
Click HERE for the AUDIO version of this blog post. We are seeing wind tattering damage on tender … Continue reading
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
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 […]
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
Posted in Insects, IPM, Weather, Weekly Nursery Landscape Report
Tagged andrea badder, bugfinder, dave cheung, Jen Llewellyn, melissa huntley
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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.
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
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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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
Posted in Arboriculture, Insects, Weekly Nursery Landscape Report
Tagged beech scale, Jen Llewellyn, magnolia scale
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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
