Gibberellins and geotropism in Zea mays coleoptiles
- 1 January 1973
- journal article
- Published by Springer Nature in Planta
- Vol. 109 (2) , 121-126
- https://doi.org/10.1007/bf00386119
Abstract
Diffusible gibberellins were obtainable in agar from excised 4 mm tips of etiolated coleoptiles of Zea mays. Placing the tips in a horizontal position increased the total yield of gibberellins by approximately five times. With horizontal tips, the ratio of gibberellin activity recovered from lower and upper halves, expressed as a percentage of total yield, was 80.76:19.24 (lower:upper).Keywords
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