Benzoic acid induces tolerance to biotic stress caused by Phytophthora cinnamomi in Banksia attenuata

M. Williams, Tissa Senaratna, K. Dixon, Krishnapillai Sivasithamparam

    Research output: Contribution to journalArticle

    32 Citations (Scopus)

    Abstract

    Banksia attenuata plants were treated with soil drenches or foliar sprays of benzoic acid (BZA) to determine induced resistance to Phytophthora cinnamomi. Stems of B. attenuata were inoculated with the pathogen 1 week after treatment with BZA. Resistance was estimated by measuring P. cinnamomi lesions on stems. Treatment with 0.10 mM, 0.25 mM or 0.50 mM BZA caused a reduction in lesion size with 0.50 mM BZA applied as a soil drench being the most effective treatment at suppressing the development of lesions. This is the first report of BZA induced host resistance in any plant species to any pathogen.
    Original languageEnglish
    Pages (from-to)89-91
    JournalPlant Growth Regulation
    Volume41
    Issue number1
    DOIs
    Publication statusPublished - 2003

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