Enhancement of root growth and alteration in cytokinin distribution in farnesol-treated barley seedlings [Hordeum]
1981
Wardle, K. | Short, K.C. (North East London Polytechnic (UK). Dept. of Biology)
Barley, treated at root emergence with 10 mg/l farnesol exhibited, within a three-day period, enhanced root growth compared to untreated plants. Extraction of free cytokinins revealed a high activity in the shoots of untreated plants whereas in the farnesol-treatments such activity was entirely confined to the roots. Farnesol did not exhibit cytokinin activity in the soybean callus bioassay. The results suggest that farnesol may inhibit the basipetal transport of cytokinins from the root.
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