Ecophysiology

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Ecophysiology

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The stem of Scots pine ( Pinus sylvestris L.) consists of two types of wood: sapwood and heartwood. Heartwood is defined as "the inner layers of the wood, which in a growing tree have ceased to contain living cells, and in which reserve materials, e.g. starch, have been removed or converted into heartwood substances". In Scots pine, as in many other species, the heartwood extractives function as decay inhibitors. The greater durability of the heartwood than the sapwood in Scots pine is largely due to the presence the stilbenes pinosylvin and pinosylvin monomethyl ether.

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PI: Anders Eriksson

September 2010

Thursday, September 02, 2010
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