Pine tree not feeling well...

TD25

Treehouser
Joined
May 10, 2020
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2
Location
Colorado
First, i am not quite certain what type of tree this pine is, it is about 6 foot tall. Secondly, it has got browning needles and they are starting to shed quickly. I have attached picture of the tree and the sores it has. It does not look like Beetle Pilings, but I think these sores are indicating what is going on. I don't think I have much time. It thought about Neem oil, to combat any type of disease or Mite it may have, but I don't see anywhere where Neem can be used on Needle Trees, and I don't see any signs of Spyder Mites or anything on the outside. See the attached pictures to see what I am speaking of.
 

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Welcome! I think that tree's a gonner in any meaningful sense. I can't tell you what's wrong with it(I'm not an arborist), but I don't think it'll ever look good considering the extent of the damage. Hopefully, someone can tell you what's wrong, and you can prevent it after planting a new tree.
 
I think the tree has two different problems. The wounds on the trunk and limbs look like from some critters shewing the bark, like wasps or hornets. I saw them do that on ash and alder. But these wounds are at least one year old and the tree is closing them. That will be completely done next year and won't bother the tree any more.
The brown needles are dead, and they are way too many. This is the real concern for me. No precise idea of the actual cause though.
 
Looks like a (western) White Pine.
Do they grow well in town at your elevation?

The damage to bark is not consistent with insects or mites. I would guess canker or blister rust. Which could also cause dying needles.

We have a ton of Dothistroma Needle Blight here on our landscape pines. Compare your needles to pictures online. Needle casts and blight are fairly easy to identify if that is the case.
 
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  • #6
I am hearing Blister Rust and Blight on a number of places. I think that we are identifying that it might have been a Hail Storm that caused those from last fall, so I am going to discount them. How do you treat either Blister Rust or Blight?
 
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