Benzoic acid induces tolerance to biotic stress caused by Phytophthora cinnamomi in Banksia attenuata
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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.
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- Benzoic acid induces tolerance to biotic stress caused by Phytophthora cinnamomi in Banksia attenuata
Plant Growth Regulation
Volume 41, Issue 1 , pp 89-91
- Cover Date
- Print ISSN
- Online ISSN
- Kluwer Academic Publishers
- Additional Links
- Acquired resistance
- Banksia attenuata
- Benzoic acid
- Phytophthora cinnamomi
- Salicylic acid
- Industry Sectors
- Author Affiliations
- 1. Department of Soil Science and Plant Nutrition, University of Western Australia, Crawley, WA, 6009, Australia
- 2. Botanic Gardens and Parks Authority, Plant Science Research Laboratory, West Perth, WA, 6005, Australia