Distribution of growth regulators in relation to the light-induced geotropic responsiveness in Zea roots

Abstract

Growth regulators were measured in extracts from the upper and lower halves of 7-mm apical segments of horizontally oriented, red-light-irradiated and non-irradiated roots of Zea mays L. cv. Golden Cross Bantam 70 which exhibit a georesponse only after an exposure to light. Abscisic acid (ABA) was measured by gas-liquid chromatography, auxin (indole-3… (More)
DOI: 10.1007/BF00388356

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