New Physiological Effects of 5-Aminolevulinic Acid in Plants : The Increase of Photosynthesis, Chlorophyll Content, and Plant Growth

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概要

• 論文の詳細を見る

• 5-Aminolevulinic acid (ALA) promoted the growth and yield of several crops and vegetables at concentrations lower than those eliciting herbicidal responses, i.e., less than 1.8 mM by foliar spray and 60μM by root soaking. To evaluate the physiological action of ALA, the effects of ALA on plants were examined by several bioassay systems at 0.0006-600μM. ALA at 0.06-6μM by root soaking increased the growth of rice seedlings in light, but did not affect this in darkness. In horseradish shoot primordia, promotion by ALA was not proportional among total chlorophyll content, chlorophyll concentration, and fresh weight. In the test using pothos, ALA at 0.06μM elicited the accumulation of chlorophyll, but the photosynthesis of the plants was promoted by treatment together with ALA and nutrients. These results suggest that ALA have a variety of plant physiological effects on chlorophyll synthesis, photosynthesis, and plant growth, and ALA acts as a growth regulator in plants at low concentrations. These effects of ALA were also assumed to be linked to light irradiation and an uptake of fertilizer by plants. However, excess ALA suppressed these effects.

• 社団法人日本農芸化学会の論文
• 1997-12-23

著者

• TAKEUCHI Yasutomo

  Weed Sci. Center, Utsunomiya Univ

• Konnai Makoto

  Weed Science Center, Utsunomiya University

• Hotta Y

  Cosmo Res. Inst. Saitama Jpn

• TANAKA TOHRU

  Cosmo Research Institute

• Konnai Makoto

  Weed Science Center Utsunomiya University

• HOTTA Yasushi

  COSMO Research Institute

• TAKAOKA Hideo

  COSMO Research Institute

• Konnai Makoto

  Weed Control Research Institute Faculty Of Agriculture Utsunomiya University

• Takeuchi Yasutomo

  Weed Control Res. Inst. Utsunomiya Univ.

• TAKEUCHI Yasutomo

  Weed Control Res. Inst. , Utsunomiya Univ.

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