Auxin Relations of a Dwarf Pea

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Abstract
Two vars. of Pisum, Telephone and Dwarf Telephone, show a differential growth response to indoleacetic acid applied as a spray (2.0 mg./l.) to intact etiolated plants. Growth of the dwarf is increased approximately 30% by this treatment, while growth of the tall var. is significantly repressed. It has not been found possible, however, to cause the growth of the dwarf to approach closely that of the tall var. Efforts to isolate the differential response within some specific phase of auxin metabolism have not been successful.

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