切り花グラジオラス小花における可溶性糖の輸出および生体膜のイオン透過性の増加

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タイトル別名
  • Export of Soluble Sugars and Increase in Membrane Permeability of Gladiolus Florets during Senescence.
  • 切り花グラジオラス小花における可溶性糖の輸出および生体膜のイオン透過性の増加〔英文〕
  • キリバナ グラジオラス ショウカ ニ オケル カヨウセイ トウ ノ ユシュツ

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Export of soluble sugar, changes in all membrane permeability, and production rate of ethylene in the perianths of the lower florets on the gladiolus spikes were determined as related to physiological events affecting the wilting of perianths after they were fully unfolded.<BR>1. Perianths appeared to be wilting between 2 and 3 days after unfolding fully (DAU). Concurrent with the onset of wilting, perianths rapidly decreased in fresh and dry weights.<BR>2. Between 1 and 2 DAU, one day before perianths started to wilt, total soluble sugar contents began to decrease. Between 2 and 3 DAU, the largest loss of total soluble sugars occurred, most of which was possibly due to export from perianths to other parts.<BR>Concurrent with the export of sugars, an increase in leakage of ions from perianth tissues was observed.<BR>3. Rates in ethylene production of perianths did not show a significant change in relation to the time of wilting.<BR>Depletion of sugars was discussed as related to the disintegration of membranes, which could cause perianths to wilt.

収録刊行物

  • 園芸学会雑誌

    園芸学会雑誌 62 (3), 575-580, 1993

    一般社団法人　園芸学会

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