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首页> 外文期刊>Environmental Pollution >High nitrogen and elevated [CO_2] effects on the growth, defense and photosynthetic performance of two eucalypt species
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High nitrogen and elevated [CO_2] effects on the growth, defense and photosynthetic performance of two eucalypt species

机译：高氮和高[CO_2]对两种桉树种生长，防御和光合性能的影响

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摘要

Atmospheric nitrogen deposition and [CO_2] are increasing and represent environmental problems. Planting fast-growing species is prospering to moderate these environmental impacts by fixing CO_2. Therefore, we examined the responses of growth, photosynthesis, and defense chemical in leaves of Eucalyptus urophylla (U) and the hybrid of E. deglupta x E. camadulensis (H) to different CO_2 and nitrogen levels. High nitrogen load significantly increased plant growth, leaf N, net photosynthetic rate (A_(growth)), and photosynthetic water use efficiency (WUE). High CO_2 significantly increased A_(growth), photosynthetic nitrogen use efficiency (PNUE) and WUE. Secondary metabolite (SM, i.e. total phenolics and condensed tannin) was specifically altered; as SM of U increased by high N load but not by elevated [CO_2], and vice versa for SM of H.
机译：大气中的氮沉积和[CO_2]不断增​​加，代表了环境问题。通过种植CO_2，种植快速生长的物种正在蓬勃发展，以缓解这些环境影响。因此，我们研究了尾叶桉（U）和deg。luptata x E. camadulensis（H）的杂种对不同CO_2和氮水平的生长，光合作用和防御化学物质的响应。高氮负荷显着提高了植物的生长，叶片氮，净光合速率（A_（生长））和光合用水效率（WUE）。高CO_2显着增加A_（生长），光合氮利用效率（PNUE）和WUE。次生代谢物（SM，即总酚和缩合单宁）被专门改变； U的SM随高氮负荷而增加，但不随[CO_2]的升高而增加，而H的SM则相反。

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  • 来源
    《Environmental Pollution》 |2012年第11期|p.124-130|共7页
  • 作者

    Eka Novriyanti; Makoto Watanabe; Mitsutoshi Kitao; Hajime Utsugi; Akira Uemura; Takayoshi Koike;

  • 作者单位

    Research Institute of Fiber Technology for Plantation Forest, FORDA, Ministry of Forestry, Kotak Pos 4/BKN, Bangkinang 28401, Riau, Indonesia;

    Silviculture & Forest Ecological Studies, Faculty of Agriculture, Hokkaido Univ., North 9, West 9, Kita-Ku, Sapporo 060-8589, Hokkaido, Japan;

    Forestry and Forest Product Research Institute, Sapporo 062-8516, Japan;

    Forestry and Forest Product Research Institute, Sapporo 062-8516, Japan;

    Forestry and Forest Product Research Institute, Sapporo 062-8516, Japan;

    Silviculture & Forest Ecological Studies, Faculty of Agriculture, Hokkaido Univ., North 9, West 9, Kita-Ku, Sapporo 060-8589, Hokkaido, Japan;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    eucalypts; elevated CO_2; nitrogen loading; defense chemical; resource allocation;

    机译：桉树;升高的[CO_2];氮负荷国防化学资源分配;

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