The role of endogenous auxin in root initiation
β Scribed by D. Blakesley; M. A. Chaldecott
- Publisher
- Springer Netherlands
- Year
- 1993
- Tongue
- English
- Weight
- 706 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0167-6903
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Neither the removal of the stele, which contains over 90% of the auxin found in the primary roots of Zea mays L., nor its replacement by auxin (indole-3-acetic acid, IAA) solutions had any demonstrable effect on the elongation of root tips or subapical cortical cylinders (except inhibition at higher
Roots of 3.5-day-old seedlings of Zea mays cv. Giant White Horsetooth contain an extractable auxin which has chromatographic properties and reactions to chromogenic sprays identical with those of indole-3-acetic acid (IAA). By separating stele from cortex (and root tips) before extraction it was sho