Seasonal changes of pinosylvin distribution in the sapwood/heartwood boundary of Pinus sylvestris

被引：22

作者：

Bergström, B ^{[1
]}

Gustafsson, G ^{[1
]}

Gref, R ^{[1
]}

Ericsson, A ^{[1
]}

机构：

[1] Swedish Univ Agr Sci, Dept Forest Genet & Plant Physiol, SE-90183 Umea, Sweden

来源：

TREES-STRUCTURE AND FUNCTION | 1999年 / 14卷 / 02期

关键词：

FT-(NIR) Raman spectroscopy; heartwood formation; Scots pine; stilbene; transition zone;

D O I：

10.1007/PL00009754

中图分类号：

S7 [林业];

学科分类号：

0829 ; 0907 ;

摘要：

Changes in pinosylvin concentration and distribution across the sapwood/heartwood boundary were studied on Scots pine (Pinus sylvestris L.) tree stems to detect seasonal activity in heartwood formation. Pinosylvin concentrations were measured with FT-(NIR) Raman spectroscopy for a total of 96 trees equally distributed on 16 different sampling occasions. In another experiment, cores were sampled every month from six individual Scots pine trees from June to October and analysed for pinosylvin. There was a great between-tree variation in concentration and spatial distribution of pinosylvin. No seasonal trend in the distribution pattern or concentration of pinosylvin was found. Therefore, the results indicate that there is no specific period during the year when heartwood is formed.

引用

页码：65 / 71

页数：7

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