Proton Flux and Elongation in Primary Roots of Barley (Hordeum vulgare L.) | Zendy

Roger A. O’Neill | Zendy; Tom K. Scott | Zendy

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Proton Flux and Elongation in Primary Roots of Barley (Hordeum vulgare L.)

Author(s) -

Roger A. O’Neill,

Tom K. Scott

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.73.1.199

Subject(s) - elongation , hordeum vulgare , hordeum , proton , biology , botany , poaceae , chemistry , physics , materials science , nuclear physics , metallurgy , ultimate tensile strength

The elongation zone of the primary root of barley (Hordeum vulgare L.) has been reported to be markedly basic in pH, in apparent contradiction of the acid-growth theory. We determined simultaneously the location of the elongation zone and the basic zone in these roots and found them indeed to be the same. However, sections of barley root elongation zones were found to respond to acidic, basic, and neutral solutions as predicted by the acid-growth theory.

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