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Dunkelkeimer
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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Pflanzensamen besitzen Photorezeptor-Proteine, die sog. Phytochrome, welche das VerhΓ€ltnis von verschiedenen WellenlΓ€ngen des Lichts messen kΓΆnnen. Dunkelkeimer registrieren vermutlich sehr langwelliges Licht, welches in der Lage ist, die obersten Bodenschichten zu durchdringen.
Typische Dunkelkeimer sind:
β’ Christrose
β’ Eisenhut
β’ Lupinen
β’ Rittersporn
β’ StorchschnΓ€bel
β’ Schefflera
β’ die meisten Getreidesorten
Contents
β’ Literatur
β’ Siehe auch
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Literatur
β’ Eduard Strasburger, Peter Sitte, Hubert Ziegler, Friedrich Ehrendorfer, Andreas Bresinsky: Lehrbuch der Botanik, Gustav Fischer Verlag, Stuttgart, 1998, ISBN 3-437-25500-2
Siehe auch