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Light and the behavior of organisms (1911)

Mast, Samuel Ottmar, b.1871 · New York, J. Wiley & Sons; [etc., etc.] · leaf 329

An illustration from Light and the behavior of organisms, 1911, leaf 329
g aufrecht. Eine Stunde spater hatten die vomIndigo bis ins Ultraviolett reichenden Keimlinge sichstark hankenformig gegen die Lichtquelle hingewendet,gleichzeitig neigte sich das im Orange stehende Pflanzchenschwach vor. Der im Gelb befindliche Keimling bliebaber bis ans Ende des Versuches… … A B G D E F G H FIG. 35. Graphic representation of the reaction of several plants in light differ-ing in wave-length. A-H represent Fraunhofer lines in the spectrum. Thecurves i, 2, and 3 were constructed by tabulating as ordinates the reciprocals ofthe time required to induce a response under the…

Light -- Physiological effect · Phototropism

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