Pseudomonas populations causing pith necrosis of tomato and pepper in Argentina are highly diverse
Tipo de material:
TextoSeries ; Plant Pathology, 52(3), p.287-302, 2003Trabajos contenidos: - Alippi, A.M
- Dal Bo, E
- Ronco, L.B
- López, M.V
- López, A.C
- Aguilar, O.M
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Pseudomonas species causing pith necrosis symptoms on tomato and pepper collected in different areas of Argentina were identified as Pseudomonas corrugata , P. viridiflava and Pseudomonas spp. Their diversity was analysed and compared with reference strains on the basis of their phenotypic characteristics, copper and antibiotic sensitivity tests, serology, pathogenicity, DNA fingerprinting and restriction fragment length polymorphism (RFLP)analysis of a 16S rRNA gene fragment. All P. corrugata strains tested were copper-resistant while P. viridiflava strains were more variable. Numerical analysis of phenotypic data showed that all P. corrugata strains formed a single phenon that clustered at a level of about 93
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