Measurement of light within thin plant tissues with fiber optic microprobes
- 1 March 1988
- journal article
- research article
- Published by Wiley in Physiologia Plantarum
- Vol. 72 (3) , 623-630
- https://doi.org/10.1111/j.1399-3054.1988.tb09173.x
Abstract
Vogelmann, T. C., Knapp, A. K., McClean, T. M. and Smith, W. K. 1988. Measurement of light within thin plant tissues with fiber optic microprobes. ‐ Physiol. Plant. 72: 623–630.The measurement of light with fiber optic microprobes has been extended to thin (200–300 μm) plant tissue samples. To test the method, light measurements were made in thin aqueous films and paradermal sections from 10‐day‐old etiolatedCucurbita pepoL. cv. Fordhook cotyledons. The measurements obtained were highly reproducible. Paradermal sections of spongy mesophyll that were irradiated with collimated light scattered light more effectively than the palisade layer of intact cotyledons. These results demonstrate that different plant tissues have different light scattering characteristics. The successful extension of the fiber optic microprobe technique to thin systems makes it possible to examine the optical properties of different cell layers within leaves and other plant organs.Keywords
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