Photoperiodic Control of Gibberellin Metabolism in Spinach
Open Access
- 1 February 1982
- journal article
- research article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 69 (2) , 287-291
- https://doi.org/10.1104/pp.69.2.287
Abstract
[3H]GA20 applied to spinach plants (Spinacia oleracea L.) was metabolized to several products. Two of these were identified by combined gasliquid chromatography-radio counting as [3H]GA29 and [3H]3-epi-GA1. Inasmuch as both GA20 and GA29 are endogenous gibberellins in spinach (Metzger, Zeevaart 1980 Plant Physiol 65: 623-626), it was concluded that the conversion of GA20 to GA29 is a natural process. However, 3-epi-GA1 was not detected in extracts of spinach shoots analyzed by combined gas chromatography-mass spectrometry. This indicates that the conversion of exogenous [3H]GA20 to [3H]3-epi-GA1 may be an artifact.This publication has 11 references indexed in Scilit:
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