A New Growth Inhibitor, Pisumin, Involved in Light Inhibition of Epicotyl Growth of Dwarf Peas | Zendy

Koji Hasegawa | Zendy; Masahiro Koreeda | Zendy; T. Hase | Zendy

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A New Growth Inhibitor, Pisumin, Involved in Light Inhibition of Epicotyl Growth of Dwarf Peas

Author(s) -

Koji Hasegawa,

Masahiro Koreeda,

T. Hase

Publication year - 1983

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.72.2.391

Subject(s) - epicotyl , pisum , sativum , growth inhibition , biology , plant growth , botany , chemistry , biochemistry , hypocotyl , cell growth

A new growth inhibitor, tentatively named pisumin, which increased under red light and remained at initial level or decreased when dwarf pea (Pisum sativum L. cv Progress No. 9) seedlings were transferred from red light to dark, has been isolated in the form of a colorless powder from light-exposed epicotyls of dwarf peas, and characterized partially as an aliphatic carboxylic acid (molecular weight 284) by spectrometric analyses.Exogenous pisumin inhibited the growth of epicotyl segments of dwarf peas at concentrations higher than 0.1 millimolar in the dark.

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