Distribution of podolactone-type plant growth inhibitors in the coniferae |
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| Authors: | Jenneth M Sasse Kingsley S Rowan MNeil Galbraith |
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| Institution: | 1. Division of Applied Organic Chemistry, CSIRO, Lorimer St., Fishermen''s Bend, Victoria, Australia 3207 |
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| Abstract: | Plant growth inhibitors of the podolactone-type have been detected by bioassay in ten further species of Podocarpus. The most active extracts in P. elatus were from root tips, root cortex and very young leaves. Fifty-seven other conifers were examined for this type of activity. It is present in Cephalotaxus harringtonia where it is probably due to the presence of harringtonolide, which, like momilactone B from rice husks, shows podolactone-type inhibition of the growth of etiolated dwarf pea hooks. |
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| Keywords: | Podocarpaceae Coniferae podolactone-type plant growth inhibitors harringtonolide momilactone B lycoricidinol |
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