Abscisic Acid Stimulates Elongation of Excised Pea Root Tips | Zendy

Douglas H. Gaither | Zendy; Donald H. Lutz | Zendy; L. E. Forrence | Zendy

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Abscisic Acid Stimulates Elongation of Excised Pea Root Tips

Author(s) -

Douglas H. Gaither,

Donald H. Lutz,

L. E. Forrence

Publication year - 1975

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.55.5.948

Subject(s) - abscisic acid , elongation , pisum , sativum , phaseolus , biology , sucrose , stimulation , botany , biochemistry , materials science , neuroscience , ultimate tensile strength , gene , metallurgy

Excised Pisum sativum L. root tips were incubated in a pH 5.2 sucrose medium containing abscisic acid. Elongation growth was inhibited by 100 mum abscisic acid. However, decreasing the abscisic acid concentration caused stimulation of elongation, the maximum response (25% to 30%) occurring at 1 mum abscisic acid. Prior to two hours, stimulation of elongation by 1 mum abscisic acid was not detectable. Increased elongation did not occur in abscisic acid-treated root tips of Lens culinaris L., Phaseolus vulgaris L., or Zea mays L.

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