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A mathematical model is constructed to study the diffuse axial and radial growth of the primary wall of plant cells. Analytical formulas are obtained for Erickson's anisotropy quotient of growth and for the parameters of the Ortega s augmented equation, as a function of the parameters of the new model. A non-linear constitutive relationship is introduced in the Lockhart model and some aspects of the axial growth model thus generalized are considered.

Un modelo matemático del crecimiento difuso de la pared primaria de células vegetales