Influence of Light on the Elongation of Gherkin Seedlings
Acta botanica neerlandica , Volume 7 - Issue 4 p. 614- 620
Red and blue light have an inhibiting effect on the elongation of gherkin seedlings. A collaboration of blue and red light, successively (B ->■ R) or simultaneously (white light) given, however, has a much stronger inhibiting effect. This inhibiting effect can be neutralized by a subsequent irradiation with blue light; red or green light and darkness are ineffective in this respect.
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