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Agronomic evaluation ofdatura candida—a new source of hyoscine

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Abstract

A peach flowered form ofDatura Candida was cultivated and the effects of a nitrogen application, harvest date and leaf position on hyoscine yield were studied. Gas chromatographic analysis of leaves collected at successive nodes in the main axis showed that hyoscine as a percentage of the dry weight decreased as the leaf matured. The highest yield recorded was 0.56%. Rows of plants were harvested so that young regrowth leaves were collected at monthly intervals. There was little significant variation in hyoscine production, which averaged 0.34% over a nine month period.Datura Candida is compared with aDuboisia hybrid which is an established source of hyoscine.

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Authors and Affiliations

  1. Department of Pharmacy, University of Queensland, Brisbane, Australia

    W. J. Griffin

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  1. W. J. Griffin
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Unpublished data presented at the joint international symposium on “The Biology and Taxonomy of the Solanaceae” held at Birmingham University, United Kingdom—July 13th–17th 1976, suggests the peach flowered datura may be a sterile cultivar ofBrugmansia versicolor.

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Griffin, W.J. Agronomic evaluation ofdatura candida—a new source of hyoscine. Econ Bot 30, 361–369 (1976). https://doi.org/10.1007/BF02904657

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  • DOI: https://doi.org/10.1007/BF02904657

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