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Category Archives: Diseases
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
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
Protect Evergreens Now, New Growth is Emerging!
Monitor for needlecast and blight diseases on older foliage where new foliage is emerging on PINE and SPRUCE.
Going To Be Cool For a While Still
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 … Continue reading
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 … Continue reading
Posted in Diseases, Nursery Production, Uncategorized
Tagged apple scab, fireblight, Jen Llewellyn, mike celetti
Leave a comment
Cool Weather, Warm Hearts
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 … Continue reading
Spring is Spring-ging
Lots of new Plant Phenology indicators are starting to bloom this week! That puts us somewhere between 20 and 35 GDD’s Base 10C in the GTA. A little more in the southwest and a little less above Hwy 9.
