期刊
MYCOLOGICAL RESEARCH
卷 108, 期 -, 页码 45-52出版社
ELSEVIER SCI LTD
DOI: 10.1017/S0953756203008840
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Phenotypic and genotypic variability of 18 endophytic Guignardia strains front different host plants (Anacardiaceae: Anacardium giganteum, Myracrodruon urundeuva, Spondias mombin; Apocynaceae: Aspidosperma polyneuron; Ericaceae: Rhododendron sp.; Fabaceae: Bovidichia nitida; Leguminosae: Cassia occidentalis; Rutaceae: Citrus aurantium) growing in different sites in Brazil was assessed by means of morphometric measurements and inter-single-sequence-repeat-anchored polymerase chain reaction (ISSR-PCR) amplifications of the DNA. Morphology of conidia and ascospores and growth rates of the Brazilian isolates corresponded well with those of G. mangiferae. Multiple correspondence analysis (MCA) of the ISSR-PCR data yielded three groups of strains, which did, however, not correspond either to the host or to the geographic origin. The same individual tree hosted genotypically different strains indicating multiple infections. Phylogeny based on ITS1-5.8S-ITS2 sequence analyses confirmed conspecificity of the Brazilian isolates with G. mangifirae (syn. G. endophyllicola).
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