Allometric growth of Xanthium (Compositae) leaves

Allometric growth of Xanthium (Compositae) leaves

When Xanthium lamina width is plotted versus leaf length during the entire period of growth, a straight line is obtained representing an allometric relationship with a regression correlation coefficient of 0.9973 a lamina width to length ratio of 0.502 ± 0.01 and chordate morphology. On the other ha...

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Veröffentlicht in:Acta Societatis Botanicorum Poloniae 1997-01, Vol.66 (3-4), p.293-296
Hauptverfasser: Maksymowych, Roman, Orkwiszewski, Joseph A.J.
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Sprache:eng
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allometry
Gibberellic acid
leaf growth
Leaves
Plant growth
Xanthium
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Orkwiszewski, Joseph A.J.
description When Xanthium lamina width is plotted versus leaf length during the entire period of growth, a straight line is obtained representing an allometric relationship with a regression correlation coefficient of 0.9973 a lamina width to length ratio of 0.502 ± 0.01 and chordate morphology. On the other hand, gibberellic acid treated plants yield a correlation coefficient of 0.9871 a lamina width to length ratio of 0.372 ± 0.0074 and lanceolate leaves. The fraction of leaf width to leaf length is a measure of lamina width reduction. Gibberellic acid alters the mechanism which controls the balance between the leaf length and the leaf width.
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subjects allometry
Gibberellic acid
leaf growth
Leaves
Plant growth
Xanthium
title Allometric growth of Xanthium (Compositae) leaves
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