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Old 11-05-2013, 11:22 AM
ozzieboy ozzieboy is offline
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Location: Michigan
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What is wrong with these fir trees?

Today is November 5 here in south east Michigan. The needles just started browning a week ago and aside from a few gypsy moth egg masses I notice a bunch of leaking areas but no obvious signs of borer holes. There are also several branches which are broken and leaking. These trees are roughly 30' tall and all 3 are declining at the same pace. Any assistance would be greaty appreciated.

Randy
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Old 11-05-2013, 04:12 PM
HortGuy1 HortGuy1 is offline
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I'd get a sample into the hands of the lab at MSU and have them diagnose it.
http://www.pestid.msu.edu/SubmittalF...1/Default.aspx
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Old 11-06-2013, 06:37 AM
ozzieboy ozzieboy is offline
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I have been scouring the MCU website on conifer issues but so far no luck. I beleive I will send a sample. Thanks.
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Old 11-06-2013, 08:44 AM
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heritage heritage is offline
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Quote:
Originally Posted by ozzieboy View Post
Today is November 5 here in south east Michigan. The needles just started browning a week ago and aside from a few gypsy moth egg masses I notice a bunch of leaking areas but no obvious signs of borer holes. There are also several branches which are broken and leaking. These trees are roughly 30' tall and all 3 are declining at the same pace. Any assistance would be greaty appreciated.

Randy
Could be Black turpentine beetles or Red turpentine beetles having had a quick look in Johnson and Lyon's book "Insects that feed on trees and shrubs"

Hope this points you in the correct direction. When you confirm pest ID, learn life cycle of pest and why the tree was attacked ie. stress Biotic or Abiotic.

Then a control plan. Good luck.
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Old 11-06-2013, 09:02 AM
Mark Oomkes Mark Oomkes is online now
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Needlecast?

I'm guessing the pitch is unrelated.
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Old 11-06-2013, 04:29 PM
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heritage heritage is offline
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Needlecast?

I'm guessing the pitch is unrelated.
Mark from Ozzie's photo looks like good old Senescence.

The new growth looks pretty good.......
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Old 11-24-2013, 03:30 PM
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Trees Too Trees Too is offline
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Fall needle drop

Quote:
Originally Posted by Mark Oomkes View Post
Needlecast?

I'm guessing the pitch is unrelated.
I agree on point of the needle yellowing and the pitch being unrelated.

The yellowing actually just looks like "natural fall inner needle drop". Which is a normal cycle for the inner-most evergreen foliage to yellow and shed in the Autumn season.

All sap on evergreens is of a white to yellowish color. Thus making it more noticeable on tree bark, as opposed to the clear sap of deciduous trees.
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