Abstract
Clones of Fragaria were characterized by the attenuance (absorption) spectra of their photosynthetic apparatus. This method uses fourth derivative analysis of spectra of intact lamina of detached leaves at room temperature (20–25 C). Twenty-one different species and hybrids of Fragaria were examined. F. chiloensis accessions frequently have characteristic fourth derivative spectra distinct from that of other Fragaria species. These spectra are characterized by a strong band that appears to be photosystem I component Ca 693; and is correlated with a higher chlorophyll b content per unit area of leaf, and a lower chlorophyll a/b ratio.
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Abbreviations
- Chl:
-
chlorophyll
- chiloensis:
-
Fragaria chiloensis
- 4th deriv:
-
fourth derivative
- PSI:
-
photosystem I
- PSH:
-
photosystem II
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Daley, L.S., Jahn, O. & Guttridge, C. Differences between Fragaria clones by fourth derivative room temperature spectroscopy of intact leaves. Photosynth Res 11, 183–188 (1987). https://doi.org/10.1007/BF00018276
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DOI: https://doi.org/10.1007/BF00018276