Phenylacetic acid (PAA), a naturally-occurring acidic plant growth substance, was readily taken up by pea (Pisum sativum L. cv. Alderman) stem segments from buffered external solutions by a pH-dependent, non-mediated diffusion. Net uptake from a 0.2 ฮผM solution at pH 4.5 proceeded at a constant rate
Effects of Synthetic Auxin (2,4-D) on the Level of Indolyl-3-acetic Acid in Cultivars and Supernodulating Mutants of Pea (Pisum sativumL.)
โ Scribed by A. V. Kholodar; K. K. Sidorova; V. K. Shumny
- Book ID
- 110398813
- Publisher
- Springer
- Year
- 2002
- Tongue
- English
- Weight
- 18 KB
- Volume
- 386
- Category
- Article
- ISSN
- 0012-4966
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Indole-3 acetic acid (IAA) strongly enhanced rooting ofeh ~lated pea epicotyl cuttings while gibberellic acid (GA3) enhanced rooting only slightly. The promoting effects of the hormones appeared not until 14 d after the onset of treatment. When GA~ and IAA were applied together, the initiation of ro
The velocity and intensity of basipetal transport of ~4C-labelled indol-3yl-acetic acid (IAA) applied to the apical bud of the intact pea plant were influenced by the temperature to which the stem was exposed and were not influenced by changes in the temperature of the root system when this was cont