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Phytoalexine und verwandte Pflanzenstoffe

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Fortschritte der Chemie Organischer Naturstoffe / Progress in the Chemistry of Organic Natural Products

Zusammenfassung

Die intensive Bearbeitung des Resistenzphänomens im Pflanzenreich hat ergeben, daβ höhere Pflanzen vielfach Abwehrstoffe enthalten, die einen Befall und eine Erkrankung des Pflanzengewebes durch pilzliche und bakterielle Krankheitserreger sowie durch Viren hemmen oder verhindern. Dieser stoffliche Abwehrmechanismus sowie spezielle organspezifische Strukturbarrieren und andere Resistenzfaktoren stellen allgemein einen wirksamen Schutz gegen pathogène Mikroorganismen dar. Verschiedene Pflanzenarten, vor allem einige Sorten unserer hochgezüchteten Kulturpflanzen, sind jedoch oft anfällig gegen bestimmte Erreger. Nach KRANZ (173) beruhen Pflanzenkrankheiten zu über 90% auf Infektion. Dabei bilden Mykosen den Hauptanteil. Gegenüber dem ansteigenden Auftreten von Virosen sind Bakteriosen bisher nur vereinzelt von wirtschaftlicher Bedeutung.

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  1. Institut für Biochemie der Pflanzen, Forschungszentrum für Molekularbiologie und Medizin der Akademie der Wissenschaften der DDR, Halle (Saale), Deutsche Demokratische Republik

    D. Gross

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    W. Herz

  2. Freiburg i. Br., Deutschland

    H. Grisebach

  3. Glasgow, Scotland

    G. W. Kirby

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Gross, D. (1977). Phytoalexine und verwandte Pflanzenstoffe. In: Herz, W., Grisebach, H., Kirby, G.W. (eds) Fortschritte der Chemie Organischer Naturstoffe / Progress in the Chemistry of Organic Natural Products. Fortschritte der Chemie Organischer Naturstoffe / Progress in the Chemistry of Organic Natural Products, vol 34. Springer, Vienna. https://doi.org/10.1007/978-3-7091-8476-9_3

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