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PHOTOBIOLOGIE DU MÉSOCOTYLE D'AVOINE—II. STIMULATION DE L‘ÉLONGATION PAR LA LUMIÈRE ROUGE‐SOMBRE EN PRÉSENCE DE DIVERSES GIBBÉRELLINES
Author(s) -
Sandmeier M.,
Nitsch J. P.
Publication year - 1966
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1111/j.1751-1097.1966.tb05762.x
Subject(s) - avena , gibberellin , elongation , rouge , chemistry , physics , action spectrum , stereochemistry , humanities , botany , biology , philosophy , materials science , photochemistry , natural language processing , computer science , metallurgy , ultimate tensile strength
— Far‐red light has the property of promoting the elongation of Avena mesocotyl sections in the presence of a gibberellin. Part of this effect is not reversible by red light (around 655 mμ ). The wavelengths which are most effective are those in the neignbourhood of 720 mμ , as revealed by the action spectrum. Amongst the 8 gibberellins tested, only A 1 , A 3 , and A 9 , are capable of producing, after far‐red irradiation, a greater elongation than the one they cause in the dark.