Phytochrome Control of Maize Coleoptile Section Elongation | Zendy

Timothy J. Warner | Zendy; James D. Ross | Zendy; J. Coombs | Zendy

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Phytochrome Control of Maize Coleoptile Section Elongation

Author(s) -

Timothy J. Warner,

James D. Ross,

J. Coombs

Publication year - 1981

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.67.2.355

Subject(s) - coleoptile , phytochrome , elongation , zea mays , section (typography) , biology , poaceae , botany , agronomy , computer science , materials science , red light , metallurgy , ultimate tensile strength , operating system

A rapid loss of far red light (FR) reversibility of red-light (R) stimulated elongation of maize coleoptile sections was observed. Reversal was not possible when the interval between R and FR treatment was greater than 45 seconds. Most of the R-stimulated elongation occurred during the first 15 hours after irradiation.Exogenous gibberellic acid did not alter the time course of R/FR reversibility loss. These results are interpreted as indicating independence of R- and gibberellic acid-stimulated elongation in this system.

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