Quantitative Effects of 2,4-Dichlorophenoxyacetic Acid on Growth of Suspension-cultured Acer pseudoplatanus Cells | Zendy

Jean-Jacques Leguay | Zendy; Jean Guern | Zendy

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Quantitative Effects of 2,4-Dichlorophenoxyacetic Acid on Growth of Suspension-cultured Acer pseudoplatanus Cells

Author(s) -

Jean-Jacques Leguay,

Jean Guern

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.56.3.356

Subject(s) - acer pseudoplatanus , auxin , 2,4 dichlorophenoxyacetic acid , logarithmic growth , population , suspension (topology) , suspension culture , cell division , chemistry , botany , biology , cell , cell culture , biochemistry , mathematical analysis , demography , mathematics , genetics , homotopy , sociology , pure mathematics , gene

Using suspension-cultured Acer pseudoplatanus cells requiring 2,4-dichlorophenoxyacetic acid for growth, the dependence of the population doubling time and the maximum increase in cell population density on the auxin concentration was studied. It appears that in the range of 2,4-dichlorophenoxyacetic acid concentration from 4 x 10(-8) to 4 x 10(-6) M, the rate of cell division during the logarithmic growth phase is independent of the auxin concentration, while the maximum number of cell generations obtained is limited by the initial auxin concentration. The significance of these two aspects of auxin action are discussed.

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