Evidence for the presence of plant growth regulators in commercial seaweed products |
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Authors: | I J Crouch J van Staden |
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Institution: | (1) UN/FRD Research Unit for Plant Growth and Development, Department of Botany, University of Natal, PO Box 375, 3200 Pietermaritzburg, Republic of South Africa |
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Abstract: | Although seaweeds and various seaweed products have been utilized in agricultural practices for many years, the precise mechanism by which they elicit their beneficial growth responses is still not fully understood. The amount of mineral nutrients in commercial preparations cannot account for the magnitude of the responses. Some other factor, such as the presence of endogenous plant growth regulators is, therefore, thought to be involved. This paper reviews the literature supporting evidence for the occurrence of plant hormones in commercial seaweed preparations.abbreviations SWC
seaweed concentrate
- PGR
plant growth regulator
- GC-MS
gas chromatography/mass spectrometry
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1H-NMR
proton nuclear magnetic resonance
- HPLC
high performance liquid chromatography |
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Keywords: | HPLC seaweed concentrate plant hormones |
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