ISHS Acta Horticulturae 381: International Symposium on Natural Phenols in Plant Resistance
CONCENTRATIONS OF FURANOCOUMARINS UNDER STRESS CONDITIONS AND THEIR HISTOLOGICAL LOCALIZATION |
| Authors: | Alicja M. Zobel, J. Crellin, S. A. Brown, K. Glowniak |
| Abstract:
Effects of natural and experimentally caused environmental stress were visible on the production of furanocoumarins. In most cases plants, after an initial decrease in synthesis for 1-2 days, showed increased total concentrations of coumarins and, more importantly, increased extrusion to the surface. Such extrusion enhanced the potential activity of the furanocoumarins, forming a barrier outside the plant body against impinging bacteria and fungal spores. As furanocoumarins also absorb ultraviolet, such a shield can be compared to suntan lotion, which absorbs ultraviolet more strongly with increasing thickness. | |
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