Ultraviolet irradiation (254 m μ ) of plant test systems results in alterations in growth capacity which can be ascribed to UV‐induced modifications of the ability of plant cells to respond to auxin. This conclusion was reached following study of auxin‐requiring, auxin‐sufficient, and auxin‐surfeit test systems representing cell division, cell enlargement, and cell differentiation. The UV effect was usually reversible by subsequently presented near‐visible or visible radiation.
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Richard M. Klein (1967) studied this question.
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