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Barbiturate-induced Disorientation of Root and Shoot Geotropism in Germinating Cruciferous Seedlings
H. A. KORDAN
Annals of Botany
Vol. 43, No. 2 (February 1979), pp. 173-177
Published by: Oxford University Press
Stable URL: http://www.jstor.org/stable/42756448
Page Count: 5
You can always find the topics here!Topics: Seedlings, Geotropism, Barbiturates, Plant roots, Mustards, Plants, Rice, Germination, Lipids, Oxygen
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Cruciferous seedlings germinated on glass-distilled water and on barbital manifested normal root and shoot geotropisms whereas twisted roots and shoots were evident in seedlings germinated on amobarbital and secobarbital, the roots often being completely suspended in the air. The marked difference in germination and development behaviour of cress and white mustard seedlings germinated on barbital compared with that on amobarbital and secobarbital indicate that the Meyer-Overton principle of drug potency and lipid solubility was operative in both species of germinating seedlings.
Annals of Botany © 1979 Oxford University Press