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Contrasting color in Pecan Logs

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Forum topic by Randy_ATX posted 02-02-2018 01:17 PM 649 views 0 times favorited 18 replies Add to Favorites Watch
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Randy_ATX

879 posts in 2465 days


02-02-2018 01:17 PM

Topic tags/keywords: pecan

I am currently removing some Pecan trees from an orchard that the new owners want thinned out a bit. So far a couple of the trees have this distinct contrasting color. It is not heart vs sapwood but something else going on. Any ideas? Fungus? You can see it is not uniform with the growth rings but red/rust color is contained within a small black band separating the red from the white. For reference the photo shows about a 24” diameter cross section. I’m sure this is going to make some nice looking lumber.

-- Randy -- Austin, TX by way of Northwest (Woodville), OH


18 replies so far

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Tennessee

2873 posts in 2537 days


#1 posted 02-02-2018 01:38 PM

I’m no tree fungus expert, but something is invading the tree, from the center out. The fine small black line on the outside edge of the dark area, that looks like fungal infestation. Either way, I’d think the tree was on a clock and needed to come down.

-- Tsunami Guitars and Custom Woodworking, Cleveland, TN

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bondogaposis

4757 posts in 2374 days


#2 posted 02-02-2018 01:44 PM

Beginning stages of spalting. Its caused by a fungus and probably why the trees have lost their vigor and are being removed.

-- Bondo Gaposis

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Sparks500

181 posts in 354 days


#3 posted 02-02-2018 01:46 PM

Save the scraps for the smoker!

-- A good day is any day that you're alive....

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soob

266 posts in 1231 days


#4 posted 02-02-2018 05:22 PM

It’s almost certainly rot. The issue is whether it’s soft or not. If it’s still hard you can use it. But it’s probably not going to be usable.

Pecan rots very easily.

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Randy_ATX

879 posts in 2465 days


#5 posted 02-02-2018 06:36 PM

Thanks for the replies so far. Funny thing is the discolored wood feels just as hard as the white part.

-- Randy -- Austin, TX by way of Northwest (Woodville), OH

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MrUnix

6764 posts in 2222 days


#6 posted 02-02-2018 06:44 PM

I’ve found a few logs like that before, although they were in red oak, not pecan. The dark center portion is just as hard, if not harder, than the surrounding wood. I’ve never given it much thought really – as long as it was sound wood. And it does look really nice when used in it’s entirety – like in these bowls:

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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soob

266 posts in 1231 days


#7 posted 02-02-2018 06:46 PM

Well, I’ve seen it a lot, too, and in my experience it’s usually mush. Test the hardness with a screwdriver or a small knife.

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Randy_ATX

879 posts in 2465 days


#8 posted 02-02-2018 09:36 PM

Those are great looking bowls, Brad. It does look like the same thing I am seeing.

Seems like I was lucky with a couple of these so far, as it has not progressed into an advanced rot in the few that were harvested. There are a few more to take down.

-- Randy -- Austin, TX by way of Northwest (Woodville), OH

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Gene Howe

10524 posts in 3452 days


#9 posted 02-02-2018 09:43 PM

If it’s sound, it’s gonna make some beautiful lumber.

-- Gene 'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton

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Randy_ATX

879 posts in 2465 days


#10 posted 02-02-2018 09:48 PM

Agreed, Gene. I cut this one into a 10’ log, and the color was up there too (10’ up from the stump).

-- Randy -- Austin, TX by way of Northwest (Woodville), OH

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Jim Jakosh

20589 posts in 3129 days


#11 posted 02-03-2018 12:16 AM

Looks like spalting. It will make a beautiful piece.

Jim

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

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oldwood

136 posts in 1267 days


#12 posted 02-03-2018 03:00 AM

You are in for a treat!

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WDHLT15

1747 posts in 2499 days


#13 posted 02-03-2018 12:18 PM

It is the right color for heartwood. I believe that it is heartwood formation beginning. Heartwood in pecan can be very irregular. Some type of stress might have triggered it. In any case, heartwood in pecan can be dramatically figured with the brown and black colors.

-- Danny Located in Perry, GA. Forester. Wood-Mizer LT40HD35 Sawmill. Nyle L53 Dehumidification Kiln. hamsleyhardwood.com

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Redoak49

3279 posts in 2012 days


#14 posted 02-03-2018 12:38 PM

Hickory and Pecan both have this and are closely related trees.

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Gene Howe

10524 posts in 3452 days


#15 posted 02-03-2018 02:38 PM

Thanks, Danny. There’s a source for pecan lumber here in AZ. I buy mesquite and Pistachio there. I’m gonna look for pecan like that next time I’m there.

-- Gene 'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton

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