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Evaluation of Streptomycin, Oxytetracycline, and Copper Resistance of Erwinia amylovora Isolated from Pear Orchards in Washington State
Abstract
One hundred and thirty-eight pathogenic strains of E. amylovora were isolated from fire blight cankers of pear trees from 44 orchards in the major pear-growing regions of Washington State. Ninety-eight strains, isolated from 38 of the orchards sampled, were resistant to streptomycin (1 mg/ml). Streptomycin-resistant strains of E. amylovora were ubiquitous in all of the major pear-growing regions of Washington. None of the strains tested were resistant to oxytetracycline (25 μg/ml) or CuSO 4 (0.16 mM). Nevertheless, spontaneous mutants with tolerance to 0.16 mM CuSO 4 were observed at a frequency of 10 −6 -10 −7 mutant colonies per wild type colony in most strains
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Cited by
A NTIBIOTIC U SE IN P LANT A GRICULTURE
McManus, P. S., Stockwell, V. O., Sundin, G. W., & Jones, A. L. (2002) · Annual Review of Phytopathology · doi:10.1146/annurev.phyto.40.120301.093927 · Cited by 837
Sokmen, A., Gulluce, M., Askin Akpulat, H., Daferera, D., Tepe, B., Polissiou, M., Sokmen, M., & Sahin, F. (2004) · Food Control · doi:10.1016/j.foodcont.2003.10.005 · Cited by 411
Güllüce, M., Sökmen, M., Daferera, D., Aǧar, G., Özkan, H., Kartal, N., Polissiou, M., Sökmen, A., & Şahi̇n, F. (2003) · Journal of Agricultural and Food Chemistry · doi:10.1021/jf0340308 · Cited by 400
Akinyele, T. A., Okoh, O. O., Akinpelu, D. A., & Okoh, A. I. (2011) · Molecules · doi:10.3390/molecules16032135 · Cited by 25
Metadata
- Authors
- Loper, J. E.
- Venue
- Plant Disease
- Publisher
- Scientific Societies
- Published
- 1991
- Volume
- 75
- Issue
- 3
- Pages
- 287
- ISSN
- 0191-2917 (ISSN-L)
- OpenAlex
- W2060340422
- Cited by
- 158
- References
- 0
- FWCI
- 0.96
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Evaluation of Streptomycin, Oxytetracycline, and Copper Resistance of Erwinia amylovora Isolated from Pear Orchards in Washington State. https://app.cochat.ai/papers/10.1094/pd-75-0287
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- Loper, J. E. (1991). Evaluation of Streptomycin, Oxytetracycline, and Copper Resistance of Erwinia amylovora Isolated from Pear Orchards in Washington State. Plant Disease. https://doi.org/10.1094/pd-75-0287
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