The Inactivity of 1-Docosanol in Some Plant Growth Tests in Relation to the Auxin of Maryland Mammoth tobacco

Abstract

In extracts of shoots of Nicotiana tabacum cv. Maryland Mammoth, an auxin was detected with the same chromatographic properties as 3- indolylacetic acid (IAA). This auxin promoted cell extension in Avena coleoptile and first internode sections and was active in the Avena curvature test.