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Light and the behavior of organisms (1911)

Mast, Samuel Ottmar, 1871- · New York : J. Wiley & Sons · leaf 342

An illustration from Light and the behavior of organisms, 1911, leaf 342
frecht. Eine Stunde spater hatten die vomIndigo bis ins Ultraviolett reichcnden Keimlinge sichstark hankenffirmig gegen die Lichtquclle hingcwendet,glcichzcitig neigtc sich das im Orange stciicnde Pfliinzciienschwach vor. Dor im Gclb befindliche Keimling bliebaber bis ans Ende des Versuchcs… … Fig. 3}. Graphic repmenution of the reaction of leveral planti In lii;ht differ-ing in wave-length. A-II represent Fraunhofer linei In the (pcctrum. Thecurves I, 1, and j were constructed by tabulating u ordinate* the reciprocal! ofthe time required to Induce a reiiponiie under the different llxht…

Light · Phototropism

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