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各種 金屬鹽의 Lemna 및 Arabidopsis에 대한 致死作用과 石灰의 그 保護作用에 關하여

The Protective Role of Calcium in the Lethal Actions of Certain Metal Ions on the Growth of Lemna and Arabidopsis Plants

한국식물학회지 1969년 12권 3호 p.1 ~ 4
鄭濬, 郭炳華,
소속 상세정보
鄭濬 (  ) - 慶北大學校 文理科大學 生物學科
郭炳華 (  ) - 효성여자대학 원예학과

Abstract


The lethal actions in Arabidopsis thaliana and Lemna polyrhiza brought about by certain inorganic form of Mn, Ba, Hg, Cu salts, and organic form of Na salts, were studied with aseptic artificial media.
These metal ions at certain concentrations caused lethality of either Arabidopsis or Lemna when the media were without Ca ion. On the contrary, addition of Ca to the media protected the organisms from such lethality.
It was postulated for the present from the proceeding evidence that Ca adsorbed and distributed along the sites between the plasma and cell membrane acts for suppressing permeation of toxic level of metal ions causing the lethality of these plants.

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