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n2:437563

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rdfs:label

Vitale <i>et al.</i> (2018)

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schema:datePublished

2018-01-01

dct:title

Vitale <i>et al.</i> (2018)

foaf:page

n8:12477

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_:vb70016281

dct:abstract

<jats:title>Abstract</jats:title><jats:p>Forty‐eight isolates of <jats:italic>Phytophthora cinnamomi</jats:italic> obtained from common walnut were analysed according to their variability in growth at different temperatures, virulence, sensitivity to metalaxyl and in genomic DNA. Isolates were obtained from commercial common walnut orchards located in northern Italy and in southern France. Inter‐simple sequence repeat (ISSR) were analysed for the 49 isolates, 43 of which were Italian, 6 French; an isolate of the same species obtained from Viburnum spp. was used as an outgroup. ANOVA on phenotypic characters showed a significant impact of the geographic location of the orchard on isolate variability in terms of reaction to temperatures and aggressiveness. In turn, clustering obtained with UPGMA analysis on genetic data was almost exclusively dependant on isolate variability, nevertheless the 48 isolates seem to share a common variability that differentiates the group from the isolate from Viburnum spp. Correlation between phenotypic and genetic traits was not statistically significant. In conclusion, phenotypic variability like virulence seemed to be conditioned from geographic origin while the genetic variability of <jats:italic>P. cinnamomi</jats:italic> isolates from walnut was associated to the single genotype.</jats:p>

bibo:abstract

<jats:title>Abstract</jats:title><jats:p>Forty‐eight isolates of <jats:italic>Phytophthora cinnamomi</jats:italic> obtained from common walnut were analysed according to their variability in growth at different temperatures, virulence, sensitivity to metalaxyl and in genomic DNA. Isolates were obtained from commercial common walnut orchards located in northern Italy and in southern France. Inter‐simple sequence repeat (ISSR) were analysed for the 49 isolates, 43 of which were Italian, 6 French; an isolate of the same species obtained from Viburnum spp. was used as an outgroup. ANOVA on phenotypic characters showed a significant impact of the geographic location of the orchard on isolate variability in terms of reaction to temperatures and aggressiveness. In turn, clustering obtained with UPGMA analysis on genetic data was almost exclusively dependant on isolate variability, nevertheless the 48 isolates seem to share a common variability that differentiates the group from the isolate from Viburnum spp. Correlation between phenotypic and genetic traits was not statistically significant. In conclusion, phenotypic variability like virulence seemed to be conditioned from geographic origin while the genetic variability of <jats:italic>P. cinnamomi</jats:italic> isolates from walnut was associated to the single genotype.</jats:p>

dct:issued

2018-01-01

dct:bibliographicCitation

Vitale, S., Scotton, M., Vettraino, A., Vannini, A., Haegi, A., Luongo, L., Scarpari, M. &amp; Belisario, A. 2018. Characterization of <em>Phytophthora cinnamomi</em> from common walnut in Southern Europe environment. <em>Forest Pathology</em>, 49(1).

bibo:doi

10.1111/efp.12477

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n8:12477

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_:vb70016281

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n5:P356

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10.1111/efp.12477