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Tag Archives: dave cheung
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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Here Comes The Humidity
The air was so dry up until just recently, it was SO nice. You know? If you’re like me, humidity is an important thing. Sure it means more plant diseases are in our future. But it also rakes havoc with my hair. The … Continue reading
Those Darling Buds of May 2 4
Oh yes Oh yes the long weekend is finally here! And so is the heat! (Photo: One more shot Rog on Flickr) Climatologists are expecting daily high’s of 20C and above for the next several days. Night time low’s are … Continue reading
