Nitrogen isotope fractionation during nitrogen transport from ectomycorrhizal fungi, Suillus granulatus, to the host plant, Pinus densiflora

被引：46

作者：

Kohzu, A ^{[1
]}

Tateishi, T

Yamada, A

Koba, K

Wada, E

机构：

[1] Kyoto Univ, Ctr Ecol Res, Otsu, Shiga 5202113, Japan

[2] Kyoto Univ, Grad Sch Agr, Kyoto 6068502, Japan

[3] Ibaraki Prefectural Forestry Ctr, Naka, Ibaraki 3110122, Japan

[4] Kyoto Univ, Grad Sch Informat, Kyoto 6068501, Japan

来源：

SOIL SCIENCE AND PLANT NUTRITION | 2000年 / 46卷 / 03期

关键词：

ectomycorrhiza; N-15 natural abundance; nitrogen transport; Pinus densiflora; Suillus granulatus;

D O I：

10.1080/00380768.2000.10409138

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The N-15 natural abundance in Pinus densiflora Sieb, et Zucc. that had been inoculated and not inoculated with ectomycorrhizal fungi (Suillus granulatus (L.:Fr.) O. Kuntze) was compared. The inoculated pine needles showed a lower delta(15)N value, while the uninoculated ones showed a higher delta(15)N value. Higher delta(15)N values in the mycelial mat of the ectomycorrhizal fungi compared to those of the inoculated pine needles were also observed. These facts indicate that nitrogen isotope fractionation occurred during the nitrogen transport from mycorrhizal fungi to the host plants.

引用

页码：733 / 739

页数：7

共 10 条

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[2] Nitrogen isotope fractionation during N uptake via arbuscular mycorrhizal and ectomycorrhizal fungi into grey alder
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[4] Plant family identity distinguishes patterns of carbon and nitrogen stable isotope abundance and nitrogen concentration in mycoheterotrophic plants associated with ectomycorrhizal fungi
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[5] Isotopic fractionation during ammonium assimilation by basidiomycete fungi and its implications for natural nitrogen isotope patterns
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[7] Arbuscular mycorrhizal fungi can transfer substantial amounts of nitrogen to their host plant from organic material
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