Nonexponential Diffusion Extinction of Spin Echo from Water Protons in Wheat Root

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The method of NMR spin echo with the magnetic field pulse gradient was used for studying self-diffusion of water molecules in the radial root direction. It was shown on the basis of physiologopharmacological methods of modification of the object that the coefficients of water self-diffusion resulting from computer decomposition of nonexponential diffusion extinction of the relative echo amplitude in the root to components are related to the subcellular and supercellular organization (structure) of the root and reflect changes in water permeability of the two transport channels of plasmodesmas.

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