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Iron Deficient Pin Oak Removal

6/26/2019

13 Comments

 
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A goodbye hug.
This large pin oak finally bit the dust due to prolonged iron deficiency. We see this a lot in Omaha, but what we don't see are homeowners taking action. Iron deficiency, or chlorosis, is easy to treat. Don't ignore these signs and symptoms for long, or you'll be facing an unfortunate tree removal.
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Signs of iron deficiency

  • Light green or yellow leaves in early-to-mid summer
  • Dark green veins on the leaves
  • Leaves turning brown on the edges
  • Leaves turning brown and falling off
  • Limbs dying back
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FREE CONSULTATION

What causes iron deficiency?

Generally, Nebraska's soils are alkaline (pH above 7). While our soil contains plenty of iron and manganese, the alkalinity makes the nutrients insoluble and unavailable to trees. Merely adding iron to the soil may not improve the condition of the tree. The problem can be further compounded by low oxygen conditions which are common in poorly drained soils or soil that has been compacted due to heavy foot traffic or construction.
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What species are affected?

Very common:
  • Pin oak
  • Silver maple
  • Red maple and hybrids (Red Sunset, Autumn Blaze, etc)
  • River birch
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Less common:
  • Cottonwood
  • Swamp white oak
  • Bald cypress
  • Sweet gum
  • Eastern white pine
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Is iron deficiency fatal?

Yes - iron deficiency kills trees. Trees need iron to manufacture chlorophyll. When a tree lacks chlorophyll, it can't produce adequate energy via photosynthesis and the tree will begin to decline. Worse, a tree in decline is also more susceptible to other diseases and damage from insects.
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Can I prevent it? How do I fix it?

There are many methods of treating iron chlorosis, with some being more effective than others:
  • Water during dry spells, but don't overwater. Believe it or not - overwatering can CAUSE iron deficiency!
  • Mulch to improve soil conditions, but keep it under 2" deep and don't pile it against the trunk. No mulch volcanoes!
  • Don't fertilize. Excess nitrogen or phosphate can cause a tree to become chlorotic. Keep lawn fertilizers away from trees. Again, mulching under a tree instead of growing grass is a good solution.
  • Soil additives: You can amend the soil under the tree in a variety of methods. However, the tree may not respond to these methods until the following season, and research shows this method is ineffective especially for larger trees. Remember: Nebraska soil is rich in iron; the high pH makes it unavailable to trees.
  • Avoid planting susceptible species in alkaline and/or poorly drained soil. 
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We can help!

Arbor Aesthetics uses a macro injection system to flush iron (and/or manganese, depending on the species) directly through your tree's vascular system via injection sites at the root flare. These treatments are performed in the fall and can provide up to three years of green, happy leaves for your tree! 
FREE CONSULTATION
13 Comments

Maple Seed Insanity!

6/5/2019

1 Comment

 
Holy helicopters! What’s up with those maple trees this year? It’s a “mast year,” which is a tree’s survival response to stress from the previous season. Remember the late freeze last spring? The trees reserved their energy by creating fewer seeds, and now this year, they’re releasing that stored energy and creating EXTRA seeds in order to focus on next generation. It’s a fascinating sacrificial survival tactic! 

Don’t worry, the trees with be just fine, but stay on top of your gutters and fence lines and remove volunteers while they're still small!

Our customers had a little fun with all the seeds and shared these great photos with us!
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1 Comment

    Author

    Amy Grewe, Certified Arborist & Co-Owner 

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Arbor Aesthetics Tree Service

Arbor Aesthetics Tree Service
6724 Irvington Rd, Omaha, NE 68122
402-408-5600
info@arboraesthetics.com
  • Residential Services
  • Free Proposal Request
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    • Employment Application
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