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Changes during heartwood formation in Pinus sp
Factors inﬂuencing the amount and quality of heartwood
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amount of heartwood amount of pinosylvin Anders Ericsson associated with heartwood Bamber Bergstrom between-tree variation chemical changes concentration of pinosylvin conifers deﬁned DETECTION OF PINOSYLVINS discs distribution of pinosylvin Erdtman Ericsson ﬁrst Fischer and H611 ﬁve Forestry formation in Pinus formation in Scots formation of heartwood free fatty acids Frey-Wyssling and Bosshard growth rings heartwood and sapwood Heartwood area heartwood border heartwood formation heartwood of Scots Hellqvist 1991 Hillis Holmgren Holzforschung increased inner heartwood Ligniﬁcation methods mg(g moisture content needle biomass Nobuchi number of growth physiological Phytopathology pine Pinus sylvestris pinosylvin content Pinus radiata pruning Raman spectra Raman spectroscopy ray parenchyma cells Rennerfelt resin acids rings Total number sapwood and heartwood sapwood area sapwood into heartwood sapwood/heartwood boundary Scots pine Pinus Scots pine trees seasonal spatial distribution speciﬁc spectrum starch Stilben sulfanilic acid Svensk Papperstidning transition zone triglycerides Wavenumbers width wood samples xylem Zealand Forest Service