Any ideas as to why these stains occur in many of my ash? I have EAB pretty heavily but would assume stain would be near cambium.All 3 are 7" dia. at ground level. I have not bucked logs yet to see how far up they will continue.

Views: 44

Attachments:

Reply to This

Replies to This Discussion

Hi Greg:

Great question.  There are lots of folks here with sawmill and woodlot experience.  I hope they join the discussion.

My guess…all the stain shows an abrupt edge on the outside of the discoloration. This would be consistent with an injury at ground level given you said the cut face of the log was 7” off the butt.  Injury such as this might be caused by skidder or tractor damage, porcupine, ground fire, etc.  The stain extends inward.  Trees have the ability to compartmentalize decay, thus limiting the spread of decay outward to new wood.  That’s why some trees are solid on the outside and hollow on the inside.  Picture number 105537 has a very large stain, suggesting multiple wounds.  This would be an injury that happened on multiple faces of the stem, such as ground fire, porcupine, kid with a hatchet, livestock, etc.  No way to know the injury at this point.  The stained wood should be solid, and the discoloration adds character.  I’ll guess the stain extends 16” above the height of the top of the wound…which you probably won’t be able to detect.

No risk in sawing boards, and each board will have a story.  The other conclusion is the importance of making sure that damage to stems is minimized when we or others work in the woods.  As we all look forward to spring thaw (March - June), extra caution or avoidance is warranted to protect root systems and reduce bark slippage from bumps.

Peter

RSS

Forum

plants for erosion control

Started by Jim Martin in Woodlot Management. Last reply by Kevin Mathers on Tuesday. 1 Reply

I having a timber harvest.  A lot of new logging roads will be made on  100 acres. I need information about seeding to prevent erosion.  My guess is that some roads will be in heavy or light shade and some will be open.Any insight or information…Continue

Silvopasture Workshop

Started by Alicia Rose in Agroforestry Jul 6. 0 Replies

Silvopasture Workshop https://misanews.wordpress.com/2017/06/15/silvopasture-workshop/August 4-5, 2017La Crescent, MinnesotaThe University of Minnesota Extension,…Continue

TCIA - Voice of Tree Care

Started by Carl DuPoldt in Woodlot Management Jul 5. 0 Replies

PACT partners' support of TCIA helps the growth and development of the entire industry, making it possible for a more profitable and safe industry. Learn more about TCIA's PACT program and partners, visit…Continue

TCIA - Voice of Tree Care

Started by Carl DuPoldt in Woodlot Management Jul 5. 0 Replies

Partners Advancing Commercial Tree Care (PACT) is a strategic partnership between the Tree Care Industry Association (TCIA) and industry companies who are invested in the future of the tree care industry. "We are looking for partners to work with us…Continue

Emerald Ash Borer App

Started by Carl DuPoldt in Forest Health Jul 5. 0 Replies

An App to Help Detect EABDeveloped by Colorado State University Extension & Colorado State Forest Service…Continue

GMO American Chestnuts - will the King of the Eastern Forests return?

Started by Brett Chedzoy in Woodlot Management. Last reply by Brett Chedzoy May 18. 6 Replies

copied over from the: www.silvopasture.ning.com forum...Since I first became obsessed with trees and forests and set out on a path to become a forester ~ 30 years ago, I have dreamed of someday seeing…Continue

Dealing with Climate Change Proactively on YOUR land - Links

Started by Alicia Rose in Forest Health May 4. 0 Replies

Climate Response Frameworkhttp://www.forestadaptation.org/-------------------Northern Institute of Applied Climate Science…Continue

Badge

Loading…

© 2017   Created by Peter Smallidge.   Powered by

Badges  |  Report an Issue  |  Terms of Service