ACCUMULATION OF CALCIUM, MAGNESIUM, POTASSIUM AND SODIUM WITH GROWTH OF INDIVIDUAL LEAVES, PETIOLES AND STEMS OF CUCUMBER PLANTS

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概要

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• Accumulation of Ca, Mg, K and Na in each individual leaf, petiole and stem of the cucumber plant (Cucumis sativus L. cv. Kasairaku) was investigated in relation to the growth of these organs under water culture condition. Growth of each individual organ followed a sigmoidal curve showing two distinctive phases, the exponential and stationary phases. Accumulation patterns of these major cations showed a close relationship with the growth characteristics of the organs. 1) leaf. although the rate of accumulation of the cations declined during the stationary phase of growth, both Ca and Na accumulated in all the leaves throughout the whole period of growth. a higher Ca content was observed in the older leaves while the younger leaves showed a higher Na content. Mg and K accumulated during the exponential phase, whereas no appreciable accumulation was observed during the stationary phase. 2) Petiole and stem. Accumulation of Ca, Mg and Na continued throughout the whole period of growth. No decline in the rate of accumulation of these cations was observed during the stationary phase unlike in the leaf, whereas K accumulation was observed only during the exponential phase of growth, as in the leaf. All three organs showed that the content of these cations in each individual organ decreased during the exponential phase of growth. The rate of decrease was greater in younger organs than in older ones.

• 社団法人日本土壌肥料学会の論文

著者

• Iwahashi Makoto

  Institute Of Applied Biochemistry The University Of Tsukuba

• OHTA YasuSada

  Institute of Applied Biochemistry, The University of Tsukuba

• Ohta Yasusada

  Institute Of Applied Biochemistry The University Of Tsukuba

• TACHIBANA Yasunori

  Institute of Applied Biochemistry, The University of Tsukuba

• Tachibana Yasunori

  Institute Of Applied Biochemistry The University Of Tsukuba

関連論文

• SULPHUR ACCUMULATION BY TOMATO AND RICE ROOT IN RELATION TO TRANSPORT OF HEAVY METALS
• CHANGES IN THE CONCENTRATION OF ORGANIC ACIDS AND MINERAL IONS IN SAPS OF CUCUMBER AND TOMATO PLANTS UNDER EXCESS SUPPLY OF SODIUM CHLORIDE
• ACCUMULATION OF CALCIUM, MAGNESIUM, POTASSIUM AND SODIUM WITH GROWTH OF INDIVIDUAL LEAVES, PETIOLES AND STEMS OF CUCUMBER PLANTS
• ROOT SURFACE AREA, AS A PARAMETER IN RELATION TO WATER AND NUTRIENT UPTAKE BY CUCUMBER PLANT

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