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Physiological Curve of Response to Plant Growth Hormones

Abstract

THE addition of growth hormones to a variety of plant materials results in marked responses over appropriate concentration ranges. The behaviour varies with the particular hormone used, the method of application and the developmental stage of the plant. With graded concentrations of growth hormone the response assumes the form of a physiological curve.

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GRACE, N. Physiological Curve of Response to Plant Growth Hormones. Nature 141, 35 (1938). https://doi.org/10.1038/141035a0

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