Abstract
A method for the estimation of betaine in plant tissues is descr. This method incorporates an oxidation procedure for the removal of substances which are present in young tissues and which interfere in the estimation of betaine by the reineckate method. The improved method has been employed for the estimation of betaine in organs of various plants in all stages of development, and the conclusion is reached that betaine formed in the roots is translocated to the shoot system and accumulates in the stems and leaves.

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