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Author Topic: pith  (Read 411 times)

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Offline gdaddy01

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pith
« on: June 06, 2019, 10:56:00 PM »
I know it has been discussed before , but is pith and heart wood the same thing ?

Offline Ianab

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Re: pith
« Reply #1 on: June 06, 2019, 11:32:50 PM »
Pith - The very centre of the tree, the first growth ring basically. 
Heartwood - The denser mature wood around the pith. This isn't an active part of the tree any more, it's now just structural. Usually more durable and darker coloured.
Sapwood -  The outer 5-20 growth rings. This is the new wood, and is still active in the trees metabolism. Lighter coloured and less durable, but becomes heartwood in time ( As new rings of sapwood grow around it)

You really notice this in a tree like Walnut, where the pith is basically hollow, the heartwood is the dark brown, and the sapwood the very light ring around the outside. Other trees you need to look closer, and smaller / younger logs may not even have made any heartwood yet.
Weekend warrior, Peterson JP test pilot, Dolmar 7900 and Stihl MS310 saws and  the usual collection of power tools :)

Offline gdaddy01

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Re: pith
« Reply #2 on: June 07, 2019, 12:22:06 PM »
thank you , I am trying to learn what is what in the world of wood . like a lot of things , the more I know , the less I understand


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