Bei geringen Lichtmengen ( geringem Photonenfluß ) reagieren sie positiv, bei zu hohen negativ phototrop.
Unterschiede zu Avena liegen primär in den Reizschwellen, bei denen eine Reaktion in die entgegengesetzte umschlägt.
Phototrope Reaktionen sind für wachsende Gewebe charakteristisch.
www.biologie.uni-hamburg.deAt low amounts of light ( a low flow of photons ) does it react positively, at too high amounts negatively phototropic.
It differs from Avena primarily in the stimulus thresholds at which one reaction becomes the opposite.
Phototropic reactions are characteristic for growing tissues, and are less easily detected in fully differentiated ones.
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