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Category Archives: Nursery Production
IPM This Week – July 11
Click HERE for the AUDIO version of this blog post. Frequent precipitation events continue to shower outdoor ornamentals with too much love. Leaf diseases are rampant, making plants … Continue reading
Pesky Pests Running Among Us
One of the most filthiest scale insect pests known to horticulturalists, the Euonymus scale (Unaspis euonymi) is a tiny little armored scale that covets evergreen Euonymus fortunei in the garden or landscape. Adult females have a dark cover that is wider at the posterior end, sea-shell in appearance with white margins. The smaller males have […]
Posted in Insects, IPM, landscape, Nursery Production
Tagged bugfinder, dave cheung, Jen Llewellyn, onnurserycrops
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Does It Seem Like All We Do Is Work?
There are lots of pest and plant health issues out there right now so check out my last few posts from the last week or so. Recently planted trees not looking so good? The 2016 growing season was extremely hot and dry and was very hard on landscape ornamentals, especially those planted in the […]
Posted in Arboriculture, Insects, IPM, landscape, Nursery Production
Tagged bugfinder, dave cheung, Jen Llewellyn, melissa huntley, onnurserycrops
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The Friday Report, June 2
There are lots of pest and plant health issues out there right now so check out my last few posts from the last week or so. Recently planted trees not looking so good? The 2016 growing season was extremely … Continue reading
Posted in Arboriculture, Insects, IPM, landscape, Nursery Production
Tagged bugfinder, dave cheung, Jen Llewellyn, onnurserycrops
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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
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 […]
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.
Posted in Diseases, Nursery Production, Uncategorized
Tagged apple scab, fireblight, Jen Llewellyn, mike celetti
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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.
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.
Posted in Diseases, Nursery Production, Uncategorized
Tagged apple scab, fireblight, Jen Llewellyn, mike celetti
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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
