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75 contributions to STS Arborists
Fall time!!
There are some cool things that happen to trees in the fall. Mainly, Deciduous trees start to paint the woods with their brilliant colors. Below we have an example of said color change. The picture was taken at a job that was completed just recently. Why are these two Red Oaks changing colors at different rates, Is this common? Let’s get a discussion going!!
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New comment 27d ago
Fall time!!
0 likes β€’ 27d
What orientation are these in terms of compass direction? I already know the answer, but it's interesting to consider. In our part of the world, the primary sun exposer is from the south - meaning southern facing solar panels will absorb the most energy so to speak. So do you suppose the leaf change is happening more on the southern or northern side? Or, is it all genetic, and sun exposer doesn't matter?
September Prize!
@James Elia congrats sir! You got the cooler prize this month
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New comment Sep 27
Habits of an arborist.
Noticed this tree on site when I had a free moment. The entire tree looked like this… what are your thoughts.
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New comment Sep 30
Habits of an arborist.
1 like β€’ Sep 27
Looks like powdery mildew
1 like β€’ Sep 27
It's a type of fungal infection. Typically powdery mildew doesn't cause much, if any, harm to the plant. Fungal infections in trees come in a variety of different types, many of which are quite harmful (Needlecast in Spruce for example) Dense foliage often causes lack of sunlight penetration to the crown interior as well as reduced airflow. These two coupled together lead to a moist environment which is prime breeding ground for fungal infections to form. Disease prevention is a good reason to have trees thinned periodically
Inclusion Hazards!
Action: What are potential hazards of bark inclusions when working in a tree? Leave a comment to mark the lightning bolt action as complete.
Complete action
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New comment Sep 25
2 likes β€’ Aug 15
Experience obviously helps a lot. But I think it depends on how you are loading the branch attachment point. Rigging or climbing on an included area will vary greatly from wind or snow load. Guess we'd need to understand the application you are suggesting in terms of force being applied.
0 likes β€’ Sep 25
@Timo C Excellent! Where are you located in the world?
Identify and Diagnose
What is wrong with this tree?
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New comment Sep 26
Identify and Diagnose
0 likes β€’ Sep 20
@Isaac Briggs What is your best guess at species?
1 like β€’ Sep 23
@Timo C you are correct that it's an Oak! And these spots do often show as a result of deadwood, however in this case I was unable to observe any additional signs or symptoms. The tree as a whole is in very good condition. Seems strange to me how square the markings are, as if man made somehow.
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Tim Shawley
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@tim-shawley-3194
Husband, father, ISA certified arborist, owner, and author. My passion lies in delivering excellence no matter the project. πŸŒ³πŸ“ˆβœ¨

Active 9d ago
Joined Mar 23, 2024
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