Effect of Dichlorophenoxyacetic Acid on the Geotropic and Phototropic Responses of the Oat Coleoptile
β Scribed by HENDERSON, J. H. M.; PETERSON, LILLIAN L.
- Book ID
- 109592886
- Publisher
- Nature Publishing Group
- Year
- 1957
- Tongue
- English
- Weight
- 317 KB
- Volume
- 179
- Category
- Article
- ISSN
- 0028-0836
- DOI
- 10.1038/179826a0
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We have compared the effects of the auxin, indole-3-acetic acid (IAA) with that of other weak acids on the plasma-membrane potential of oat (Arena sativa L.) coleoptile cells. Cells treated with ] gM IAA at pH 6 depolarize 20-25 mV in ]0-12min, but they then repolarize, until by 20-25 rain their pot