Phytophthora austrocedrae sp. nov., a new species associated with Austrocedrus chilensis mortality in Patagonia (Argentina).
Phytophthora austrocedrae is a new species isolated from necrotic lesions of stem and roots of Austrocedrus chilensis. It is a homothallic species characterized by semipapillate sporangia, oogonia with amphigynous antheridia, and very slow growth (1-2 mm d(-1) on V-8 agar at 17.5 degrees C optimum temperature). Phylogenetic analysis of ITS rDNA sequence indicates that its closest relative is Phytophthora syringae, another species frequently isolated from soil and streams in A. chilensis forests.
Greslebin
Alina G
AG
Protección Forestal, Centro de Investigación y Extensión Forestal Andino Patagónico (CIEFAP), CC 14, 9200 Esquel, Chubut, Argentina. alina@ciefap.org.ar
Hansen
Everett M
EM
Sutton
Wendy
W
D001118:Argentina; D004271:DNA, Fungal / Q000235:genetics; D021903:DNA, Ribosomal Spacer / Q000235:genetics; D010802:Phylogeny; D010838:Phytophthora / Q000145:classification* / Q000235:genetics / Q000302:isolation & purification; D024301:Plant Bark / Q000382:microbiology; D010935:Plant Diseases / Q000382:microbiology; D018517:Plant Roots / Q000382:microbiology; D013045:Species Specificity
D004271:DNA, Fungal; D021903:DNA, Ribosomal Spacer