Administration of amino acids induces the tree growth

2015 Fiscal Year Final Research Report

• Project/Area Number: 25660136
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Multi-year Fund
• Research Field: Wood science
• Research Institution: Kyoto University
• Principal Investigator: Takabe Keiji 京都大学, (連合)農学研究科(研究院), 教授 (70183449)
• Co-Investigator(Kenkyū-buntansha): YOSHINAGA Arata 京都大学, 大学院農学研究科, 准教授 (60273489) ; AWANO Tatsuya 京都大学, 大学院農学研究科, 助教 (40324660)
• Project Period (FY): 2013-04-01 – 2016-03-31
• Keywords: アミノ酸 / 樹木 / 成長促進 / スギ / ヒノキ / ユーカリ / シロイヌナズナ / システイン

Outline of Final Research Achievements

We administered aqueous solution of amino acids containing glutamic acid (Glu), cysteine (Cys) and glycine (Gly), combination of 2 kinds of amino acids, or individual amino acid, to Japanese cedar, Japanese cypress, Eucalyptus, and Arabidopsis. As the results, amino acid aqueous solutions containing Cys stimulated the growth in all plants, particularly 1 to 2mM amino acids of Glu, Cys and Gly was the most effective for the plant growth. The above amino acids solution caused the retardation (delay) of senescence in Arabidopsis, resulting in the lengthening of photosynthetic period.

Free Research Field

樹木細胞学