VOLATILE OIL CONTENT OF SCOTS PINE NEEDLES (Pinus sylvestris L.)

被引：3
|
作者：
Sporek, Monika [1 ]
机构：
[1] Univ Opole, Chair Biotechnol & Mol Biol, Ecol & Nat Protect Unit, Ul Kard B Kominka 6a, PL-45035 Opole, Poland
来源：
CHEMISTRY-DIDACTICS-ECOLOGY-METROLOGY | 2016年 / 21卷 / 1-2期
关键词：
essential oil; needles; crown zone; tree age; Scots pine;
D O I：
10.1515/cdem-2016-0013
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
This study focused on how the concentration of volatile oils in Scots Pine needles varied in relation to the age of the trees, the age of the needles and their location within the canopy. Study material were pine needles from 15-, 44- and 89-year-old pine stands. The mean content of oils increased with the age of trees. The averaged oil content in needles was: 0.46% in the 15-year-old stand, 0.55% in the 44-year-old and 0.61% in the 89-year-old stands. The mean content of volatile oils decreased with the age of the needles. 1-year-old needles contained the highest concentration of volatile oils (0.56%), and the 3-year-old needles contained the least (0.48%). In 15-year-old stands the oil content in needles increased linearly with their height in the canopy. In 44-year-old (age class IIb) and 89-year-old (age class Va) stands oil content was greater lower in the canopy than in the middle.
引用
收藏
页码：141 / 147
页数：7
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