Pressure-flow characteristics of the roots ofZea mays
โ Scribed by David M. Miller
- Publisher
- Springer
- Year
- 1981
- Tongue
- English
- Weight
- 178 KB
- Volume
- 63
- Category
- Article
- ISSN
- 0032-079X
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๐ SIMILAR VOLUMES
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
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
Mitotic spindles in the root meristem of the Zea mays are smallest in the quiescent centre and increase in size the further they are from this region. the volume of mitotic cells follows a similar pattern. These findings are the result of differences in the metabolic activity of cells within the mer