Nitrogen Levels and Free Amino Acids in Mulberry Roots from Autumn through Spring(Biological Chemistry)

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概要

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• In contrast to the situation in shoots and stems of mulberry (Morus alba L.), for nitrogen reserves soluble nitrogen predominated in bark and wood of the main roots, especially arginine, followed by asparagine. The small roots also played a part in storage of nitrogen, with protein nitrogen predominating. Accumulation of nitrogen in the roots started in October (bark and wood of the main roots) and November (small roots) and still continued in midwinter, increasing until January (small roots and wood) and late February (bark). The nitrogen levels in bark and wood of the main roots then levelled off notably during bud break and leafing-out, while during the same period those in small roots decreased slightly. The results are discussed in relation to tree growth in winter, and storage and metabolism of nitrogen in the tree during the winter and new growth in spring.

• 社団法人日本農芸化学会の論文
• 1987-01-23

著者

• Kohno Kiyoshi

  Faculty Farmstead (experimental Farm) Kyoto Institute Of Technology

• Suzuki Takeo

  Faculty of Textile Science, Kyoto Kogei-Sen-i University

• Suzuki Takeo

  Faculty Of Textile Science Kyoto Kogei-sen-i University

• Suzuki Takeo

  Faculty Of Engineering Tokyo Denki University

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