Free-tryptophan and indoleacetic acid in zinc-deficient radish shoots
Open Access
- 1 June 1992
- journal article
- research article
- Published by Taylor & Francis in Soil Science and Plant Nutrition
- Vol. 38 (2) , 261-267
- https://doi.org/10.1080/00380768.1992.10416489
Abstract
Free-tryptophan was detected In higher amounts in zinc-deficient radish shoots than in the control shoots with the use of HPLC. Two-dimensional TLC and GC-MS analysis revealed the presence of IAA in zinc-deficient radish shoots. Quantitative estimation of IAA by gas chromatography showed that zinc-deficient and control radish shoots contained 0.32 and 0.36 μg/100 g f.w., respectively. It could be deduced from these results that zinc nutrition did not affect significantly the amount of IAA in radish shoots.Keywords
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