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PHYTOCHROME‐MEDIATED STIPE ELONGATION IN THE KELP NEREOCYSTIS (PHAEOPHYCEAE) 1
Author(s) -
Duncan Mary Jo,
Foreman Ronald E.
Publication year - 1980
Publication title -
journal of phycology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.85
H-Index - 127
eISSN - 1529-8817
pISSN - 0022-3646
DOI - 10.1111/j.1529-8817.1980.tb03008.x
Subject(s) - stipe (mycology) , elongation , kelp , biology , botany , phytochrome , red light , biophysics , materials science , metallurgy , ultimate tensile strength
Preliminary evidence is presented which indicates that far‐red irradiation promotes and near‐red inhibits rapid stipe elongation in Nereocystis luetkeana (Mertens) Postels & Ruprecht. Laboratory results showed afar‐red reversal of red inhibition, but a red/far‐red reversal was not evident in field experiments. The effects of changing ratios of red and far‐red irradiation brought about by selective water absorption are discussed in relation to stipe elongation of Nereocystis .