Reversible Effects of Green and Orange-Red Radiation on Plant Cell Elongation | Zendy

Richard M. Klein | Zendy

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Reversible Effects of Green and Orange-Red Radiation on Plant Cell Elongation

Author(s) -

Richard M. Klein

Publication year - 1979

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.63.1.114

Subject(s) - elongation , orange (colour) , action spectrum , irradiation , botany , radiation , plant cell , sativum , biophysics , chemistry , horticulture , biology , physics , optics , materials science , biochemistry , ultimate tensile strength , gene , nuclear physics , metallurgy

The differential cell elongation of cress (Lepidium sativum) roots that results in geotropic bending can be decreased by green radiation with an action spectrum peaking at 550 nm. This decrease can be negated by prior or simultaneous irradiation by orange-red light with an action spectrum peaking at 620 nm. The green radiation appears to be effective during the cell elongation phase of geotropic response.

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