1951
DOI: 10.1007/bf01942497
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Das Licht als Ursache Periodischer Guttations-schwankungen Etiolierter Haferkeimlinge

Abstract: Einleitung.In einer friiheren Mitteilung war vermutet worden (ENGEL und HEI~A~N 1949), dab als Ursache der Guttationsschwankungen des Hafers vielleicht Wachstumsreaktionen in Frage kommen, die yon aul~en, etwa vom Licht, induziert werden. Will man dieser Frage nachgehen, ist es notwendig, den Verlauf der Gut~ation im Dunkeln unter m5glichst konstanten Bedingungen festzustellen. Eine solche Untersuchung st613t auf bedeutende experimentelle Schwierigkeiten, da es nicht mSglich ist, die in Frage stehenden gering… Show more

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Cited by 25 publications
(3 citation statements)
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“…If Phaseolus plants are transferred from a greenhouse to continuous illumina-tion, it is found that the period of the rhythm of leaf movement is modified by red and far-red light but not by other wavelengths. The rhythm of growth in Arena is inhibited by exposing the seedlings to 12 hours' red light [23], whereas a rhythm of guttation in seedlings of Arena is reported to be induced only when the seedlings are transferred from darkness to light of any wavelength [32]. In Neurospora crassa zonation does not develop if the cultures are maintained in continuous white light [35], but it does occur in continuous red light [3].…”
Section: The Wavelength Of Light During a Treatmentmentioning
confidence: 99%
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“…If Phaseolus plants are transferred from a greenhouse to continuous illumina-tion, it is found that the period of the rhythm of leaf movement is modified by red and far-red light but not by other wavelengths. The rhythm of growth in Arena is inhibited by exposing the seedlings to 12 hours' red light [23], whereas a rhythm of guttation in seedlings of Arena is reported to be induced only when the seedlings are transferred from darkness to light of any wavelength [32]. In Neurospora crassa zonation does not develop if the cultures are maintained in continuous white light [35], but it does occur in continuous red light [3].…”
Section: The Wavelength Of Light During a Treatmentmentioning
confidence: 99%
“…to either darkness or to a lower intensity of illumination (100 ft.c.) [14], and the rhythm of guttation in Arena seedlings is induced by increasing the light intensity [32].…”
Section: Gradual Changesmentioning
confidence: 99%
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