Abstract
PREVIOUSLY we reported that 2,4-dichlorophenoxy-acetic acid (2,4-D) stimulated the release of ethylene by the cotton plant (Gossypium hirsutum)1. The maximum stimulation occurred during the initial period of growth responses to 2,4-D and before chlorosis or necrosis was visible. This report presents evidence that the response was not peculiar to the highly phytotoxic 2,4-D, but that a native auxin, indolyl-3-acetic acid, (IAA), also accelerates the release of ethylene.
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Morgan, P. W., and Hall, W. C., Physiol. Plantarum, 15, 420 (1962).
Morgan, P. W., and Hall, W. C., Plant Physiol., 38, 365 (1963).
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Crocker, W., Growth of Plants, 139 (Reinhold Publ. Corp., New York, 1948).
Hall, W. C., Truchelut, G. B., Leinweber, C. L., and Herrero, F. A., Physiol. Plantarum, 10, 306 (1957).
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MORGAN, P., HALL, W. Accelerated Release of Ethylene by Cotton following Application of Indolyl-3-acetic Acid. Nature 201, 99 (1964). https://doi.org/10.1038/201099a0
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DOI: https://doi.org/10.1038/201099a0
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