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Control of Postharvest Pathogens and Colonization of the Apple Surface by Antagonistic Microorganisms in the Field
Open accessAbstract
Selected isolates of Aureobasidium pullulans, Rhodotorula glutinis, and Bacillus subtilis reduced the size and number of lesions on wounded apples caused by the postharvest pathogens Penicillium expansum, Botrytis cinerea, and Pezicula malicorticis. Combinations of the antagonistic microorganisms were applied to apple trees in the field late in the growing season of two consecutive years. The population dynamics of the introduced microorganisms and the incidence of fruit decay were determined. Population sizes of introduced antagonists on apple surfaces increased in the field following application of treatments until harvest. After transfer of the fruit from the field into cold storage, the populations of the introduced antagonists remained higher than in the control treatments. Identification of the applied isolates of A. pullulans and R. glutinis during the experiments was achieved by isolate-specific DNA probes generated from random amplified polymorphic DNA. A combination of two strains of A. pullulans and one strain of R. glutinis suppressed rotting of apple to the same extent as the commonly used fungicide Euparen. Our data demonstrate that the application of antagonistic microorganisms in the field represents a promising alternative to fungicide treatments to control post-harvest diseases of apple.
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“The basidiomycetous yeast A. pullulans is a cosmopolitan species that is used in biotechnology and acts as an antagonist against fungal and bacterial plant pathogens such as postharvest diseases or fire blight [25, 89–95].”
From Competition assays and physiological experiments of soil and phyllosphere yeasts identify Candida subhashii as a novel antagonist of filamentous fungi (2017) · cites this paper as [94]
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Metadata
- Authors
- Leibinger, W., Breuker, B., Hahn, M., & Mendgen, K.
- Affiliations
- University of Konstanz (DE)
- Corresponding author
- Mendgen, Kurt
- ORCID
- Hahn, Matthias
- Venue
- Phytopathology®
- Publisher
- Scientific Societies
- Published
- 1997-11
- Volume
- 87
- Issue
- 11
- Pages
- 1103-1110
- ISSN
- 0031-949X (ISSN-L)
- 1943-7684
- OpenAlex
- W2107044309
- Cited by
- 192
- References
- 35
- Citations by year
- 2026: 3 · 2025: 5 · 2024: 5 · 2023: 4 · 2022: 5 · 2021: 4 · 2020: 4 · 2019: 6 · 2018: 8 · 2017: 6 · 2016: 3 · 2015: 4 · 2014: 6 · 2013: 5 · 2012: 6
- FWCI
- 8.15
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Phytopathology (publishedVersion)
- PubMed (publishedVersion)
- KOPS (University of Konstanz) (submittedVersion, cc-by-nc-nd)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Postharvest Quality and Shelf Life Management
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Fungal Plant Pathogen Control
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Pathogens and Fungal Diseases
- Keywords
- apple postharvest disease, biological control, antagonistic microorganisms, Aureobasidium pullulans, Rhodotorula glutinis, Bacillus subtilis, Penicillium expansum, Botrytis cinerea, fruit decay, cold storage, population dynamics, fungicide alternatives, DNA probes, RAPD markers
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