Leaf fall from Ash tree

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Leaf fall from Ash tree

Postby tlflick1281 » Tue Jul 19, 2016 1:51 pm

Major leaf curling, then falling from ten year old Ash tree. Neighbor says it is from Aphids ? I have hosed the tree and, lately sprayed with "Bayer Advanced Insect, Disease & Mite Control". Need advice or recommendations.
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Re: Leaf fall from Ash tree

Postby Hoot » Tue Jul 19, 2016 2:39 pm

Ash borer?
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Re: Leaf fall from Ash tree

Postby cbniehoff13 » Tue Jul 19, 2016 2:48 pm

You can call the City Forester and he will be happy to come out and inspect the tree and give you advice! Especially if you suspect the EAB (emerald ash borer). Good luck!

Tom Wells
City and County Forester

Public Works Park Maintenance
3001 W. 124th Ave.
Broomfield, CO 80020

Ph: 303.464.5651
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Re: Leaf fall from Ash tree

Postby Rnchief » Tue Jul 19, 2016 3:17 pm

I have 3 Ash trees, and about 3 years ago, it appeared that all 3 had your pal boring into them. City Arborist came out and looked at all the Ash in our neighborhood, and agreed. He recommended that Bayer product, but in pellet/ powder form You spread it at the base of the tree. I got it a Home Depot, not cheap. The HD gal told me this is great stuff and does work. She also told me, only do it in the Spring, not the Fall. Reasoning was...in the Spring, the tree is sucking up lots of moisture., and this chemical needs to get into the tree. So, every Spring I have been using this product, and now all 3 appear EAB free.
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Re: Leaf fall from Ash tree

Postby djm1021 » Tue Jul 19, 2016 5:44 pm

I'm not an expert but a neighbor is... the Emerald Ash Borer has not been found in Anthem yet, though it is slowly heading our way. It is likely a similar insect called the Lilac Ash Borer. The treatment for the two is apparently different, and the Lilac Ash Borer is not a death sentence for the tree.
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Re: Leaf fall from Ash tree

Postby djm1021 » Tue Jul 19, 2016 9:22 pm

Lest anyone might think I would blindly believe a neighbor without doing my own research, see:

http://www.denverpost.com/2016/06/08/em ... -longmont/

and

http://www.broomfieldenterprise.com/hom ... ther-moves
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