dead evergreens

Anonymous-0 · Mar 16, 2011

I live in SE Iowa and have a large windbreak that is composed of pines both short and long needles. I have lost several for the past two years. Started to die at the bottom and work up. Is there a spray or cure for this? I have been seeing a lot of trees on other farms dying in the same manner. So sad to see such beautiful trees lost if something will save them. Thanks!!!!!!

BCnT · Mar 16, 2011

look closely at the trunks of all your trees...if you see tiny holes like a 1/32 drill bit made,you got pine beetles...best thing you can do is cut down the dead ones and burn them asap...sorry to say i havent seen many pines survive once the beetles are inside.

Lloyd In South Carolina · Mar 16, 2011

They are very active here in the South..... lots of pines here. There is a spray you can treat with, however it is only effective BEFORE they get in the tree...... once infested the tree is a gonner.

L.
Push here

big fred · Mar 16, 2011

If it"s bark beetle, you need to remove the tree and destroy it. Chipping seems to work, but burning is probably better. Make sure you get as much of the bark and limbs as you can. We have a vacation home in the San Bernardino Natl Forest in California, and we"ve lost a ton of our pinyon pines to those beetles. I"d recommend fertilizing the rest of your evergreen trees, since healthy trees are not as susceptible to the beetle as those that are stressed.

keh · Mar 16, 2011

Cut the healthy trees right around them also because they may be infested also. I wouldn't have thought the Southern bark beetle would survive IA winters.

KEH

36F30 · Mar 16, 2011

You have pine wilt. Huge problem in Iowa. Here is real info from Iowa State University.

http://www.extension.iastate.edu/publications/SUL9.pdf

Anonymous-0 · Mar 16, 2011

If they can survive Montana winters, and believe me they can, they can survive Iowa winters.

rustyfarmall · Mar 16, 2011

(quoted from post at 09:07:51 03/16/11) I live in SE Iowa and have a large windbreak that is composed of pines both short and long needles. I have lost several for the past two years. Started to die at the bottom and work up. Is there a spray or cure for this? I have been seeing a lot of trees on other farms dying in the same manner. So sad to see such beautiful trees lost if something will save them. Thanks!!!!!!

Several neighbors here in southwest Iowa have also lost their pine tree windbreaks, and I think it is due to that pine beetle.

Old Roy · Mar 16, 2011

Can't answer your question , but reminded of a funny true story.

My last boss I had was a real pain in the --- he caused trouble with everyone He was a boss in the mines but no one liked him because of his obnoxious ways. To make a long story short he became my boss.

one of the workers that he had in the mine told me of a time he was being miserable with those men.

Boss had a nice piece of property, he decided to plant some pine seedlings bordering his property.

Shortly after planting he took a 2 week vacation
when he came back all the trees were brown one of the miners went and cut every one and pushed the stem in beside where it was planted .
He had an idea but without proof.

Bill in IL · Mar 16, 2011

I had bagworms kill one of mine. Didn"t realize what they were till it was too late. Look almost like pine cones hanging from the branches. I still have not killed completely but am keeping them controlled with malathion.

Mike (WA) · Mar 16, 2011

Heard somewhere that they figure certain species of pines will be extinct within 10 years, due to the bark beetle.

Firewood · Mar 16, 2011

Are both the long and short needle trees dying or is it just the short needled ones?

From your description of the dying going from the ground up I would lean toward them being spruce. (short needles)
Many spruce windbreaks which are on sites that are not normal for them will face this kind of death but it normally takes a few years for all of them to die. (believe it or not the good ag soils are not their prefered habitat)
If it is just the short needled trees I would try to save the pines. (Longer needles)

If it is the spruce or perhaps a fir I would be real doubtfull that it has anything to do with the Western or Southern insect problems.

Firewood · Mar 16, 2011

Are both the long and short needle trees dying or is it just the short needled ones?

From your description of the dying going from the ground up I would lean toward them being spruce. (short needles)
Many spruce windbreaks which are on sites that are not normal for them will face this kind of death but it normally takes a few years for all of them to die. (believe it or not the good ag soils are not their prefered habitat)
If it is just the short needled trees I would try to save the pines. (Longer needles)

If it is the spruce or perhaps a fir I would be real doubtfull that it has anything to do with the Western or Southern insect problems.

Firewood · Mar 16, 2011

Are both the long and short needle trees dying or is it just the short needled ones?

From your description of the dying going from the ground up I would lean toward them being spruce. (short needles)
Many spruce windbreaks which are on sites that are not normal for them will face this kind of death but it normally takes a few years for all of them to die. (believe it or not the good ag soils are not their prefered habitat)
If it is just the short needled trees I would try to save the pines. (Longer needles)

If it is the spruce or perhaps a fir I would be real doubtfull that it has anything to do with the Western or Southern insect problems.

Firewood · Mar 16, 2011

Sorry for the multiple responses! It did not seem to be working and then IT DID!

DanR · Mar 17, 2011

Don't guess call your County Extension Agent.

bc · Mar 17, 2011

We are losing trees to the pine wilt sawyer beetles around here. Usually see the ends of limbs turning brown first and usually some upper ones. Then they turn brown all over. Yours sounds like something else starting at the bottom.

dead evergreens

Anonymous-0

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BCnT

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Lloyd In South Carolina

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big fred

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keh

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36F30

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Anonymous-0

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rustyfarmall

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Old Roy

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Bill in IL

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Mike (WA)

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Firewood

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DanR

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