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Enhancing the yield of target tissue and secondary metabolites in Calendula officinalis L., a medicinal plant.

机译:提高药用植物金盏菊的靶组织和次生代谢产物的产量。

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摘要

Medicinal crops can be usefully studied in controlled hydroponic systems in which various factors can be manipulated to increase target plant tissue yield and secondary metabolite production.;In this project floral tissue and other plant organs of the medicinal plant Calendula officinalis and four important secondary metabolites: quercetin, rutin, isorhamnetin-3-O-glucoside and isorhamnetin-3-rutinoside were quantified under contrasting conditions in terms of phosphorus concentration, rate of nutrient supply and simulated foliar herbivory in a factorial experimental design. The objectives were to identify conditions that will maximize the yield of target plant tissue, maximize the production of secondary metabolites and minimize the variation in that value.;Phosphorus concentration was varied because this nutrient is important for plant growth, particularly during flower production. Nutrient supply rates used in this study sought to minimize nutrient deficiencies and growth fluctuations. Selected plants in the study were also subjected to a clipping treatment, as numerous studies have shown that herbivory can induce increased growth ("overcompensation") and potentially to stimulate secondary metabolite production. (Abstract shortened by UMI.).
机译:可以在可控的水培系统中研究药用作物,在该系统中可以操纵各种因素以增加目标植物的组织产量和次生代谢产物的产量。在该项目中,药用植物金盏菊的花组织和其他植物器官以及四种重要的次生代谢产物:在析因实验设计中,在磷,浓度,养分供应速率和模拟叶面食草动物不同的条件下,对槲皮素,芦丁,异鼠李素-3-O-葡萄糖苷和异鼠李素-3-芸苔苷进行了定量。目的是确定条件,以使目标植物组织的产量最大化,使次生代谢产物的产量最大化,并使该值的变化最小。磷的含量有所变化,因为这种养分对植物的生长非常重要,特别是在花卉生产过程中。这项研究中使用的养分供应率试图最大程度地减少养分缺乏和生长波动。由于大量研究表明,草食动物可诱导生长加快(“过度补偿”)并可能刺激次生代谢产物的产生,因此该研究中选定的植物也进行了剪枝处理。 (摘要由UMI缩短。)。

著录项

  • 作者

    Stewart, Christie Lynn.;

  • 作者单位

    University of Windsor (Canada).;

  • 授予单位 University of Windsor (Canada).;
  • 学科 Biology Botany.;Agriculture Plant Culture.
  • 学位 M.Sc.
  • 年度 2003
  • 页码 178 p.
  • 总页数 178
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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