1973
DOI: 10.1016/0012-1606(73)90324-2
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Silicification of developing internodes in the perennial scouring rush (Equisetum hyemale var. affine)

Abstract: An electron microprobe (EMP) analysis of silica (SiO,) deposition in the epidermis of developing internodes of the perennial scouring rush (Equisetum hyemale var. affine) indicates that SiO, is first detected in the stomata1 apparatus beginning with internode 3, then the epidermal papillae (internode 8), and finally in radial cell walls of the long epidermal cells (internode 10). This process is initiated in the intercalary growth regions at the bases of the elongating internodes. The deposition of SiO, in lon… Show more

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Cited by 27 publications
(26 citation statements)
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References 14 publications
(16 reference statements)
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“…Extant horsetail (order Equisetales), which originated from an ancient large horsetail tree of the Carboniferous Period, has attracted the attention of botanists, physiologists, and physicists because of its high silica content, [1][2][3][4][5][6] and unique ultrastructures were the subjects of structural, 1-4 morphological, functional, and physiological studies. 5,6 The ancient horsetails, or class Sphenosida, were most widespread in the Carboniferous Period, when the surface of the earth was dominated by highly diverse forests.…”
Section: Introductionmentioning
confidence: 99%
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“…Extant horsetail (order Equisetales), which originated from an ancient large horsetail tree of the Carboniferous Period, has attracted the attention of botanists, physiologists, and physicists because of its high silica content, [1][2][3][4][5][6] and unique ultrastructures were the subjects of structural, 1-4 morphological, functional, and physiological studies. 5,6 The ancient horsetails, or class Sphenosida, were most widespread in the Carboniferous Period, when the surface of the earth was dominated by highly diverse forests.…”
Section: Introductionmentioning
confidence: 99%
“…5,6 The ancient horsetails, or class Sphenosida, were most widespread in the Carboniferous Period, when the surface of the earth was dominated by highly diverse forests. 7 The Calamites, a type of ancient horsetail, are believed to have grown to great heights of 30-40 ms, much taller than extant horsetails.…”
Section: Introductionmentioning
confidence: 99%
“…Хвощи имеют очень своеобразное строение устьичного аппарата: он состоит из двух пар клеток, распо-ложенных друг над другом -две побочные клет-ки устьиц располагаются сверху и прикрывают две замыкающие клетки (Page, 1972;Filin, 1978;Lubienski, 2010). C. N. Page (1972) и другие ис-следователи (Kaufman et al, 1973) отмечали раз-личия в расположении устьиц относительно по-верхности: находящиеся на одном уровне или выступающие у видов подрода Equisetum и по-груженные у видов подрода Hippochaete.…”
Section: Introductionunclassified
“…Хвощи являются концентраторами кремнезе-ма, содержание которого может составлять 25 % и более от сухого веса, а в зрелых клетках эпи-дермиса Equisetum hyemale L. содержание крем-незема колеблется в пределах 57-85 % (Kaufman et al, 1971(Kaufman et al, , 1973. В отличие от злаков, у которых кремнезем в основном накапливается в клетках в виде фитолитов, повторяющих форму этих кле-ток (Krishnan et al, 2000;Olonova, Mezina, 2011), у хвощей кремнезем пропитывает оболочки кле-ток эпидермиса, покрывает поверхность эпидер-миса надземных органов, пропитывает восковой или кутикулярный покров, концентрируется в стенках клеток устьичного аппарата и на их по-верхности в виде бородавочек (Kaufman et al, 1971(Kaufman et al, , 1973Page, 1972Page, , 1974Law, Exley, 2011).…”
Section: Introductionunclassified
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