Phytophthora rosacearum and P. sansomeana, new species segregated from the Phytophthora megasperma "complex"

Mycologia

Volumn 101, Issue 1, 2009, Pages 129-135

  Hansen, Everett M ^a   Wilcox, Wayne F ^b   Reeser, Paul W ^a   Sutton, Wendy ^a  

^a OREGON STATE UNIVERSITY   (United States)

^b New York State Agricultural Experiment Station   (United States)

Author keywords

Apple tree collar rot; Clade 6; Douglas fir root disease; ITS phylogeny; Plant pathogens; Soybean root disease

Indexed keywords

CONIFEROUS TREE; FUNGUS; MORPHOLOGY; NEW SPECIES; PHYLOGENY; ROOT ROT; SOYBEAN;

INDIANA; MIDWEST; NORTH AMERICA; UNITED STATES;

GLYCINE MAX; MALUS X DOMESTICA; PHYTOPHTHORA; PHYTOPHTHORA MEGASPERMA; PSEUDOTSUGA; PSEUDOTSUGA MENZIESII;

FUNGAL DNA; RIBOSOMAL SPACER DNA;

ARTICLE; CLASSIFICATION; CYTOLOGY; FUNGUS SPORE; GENETICS; PHYLOGENY; PHYTOPHTHORA; SPECIES DIFFERENCE;

DNA, FUNGAL; DNA, RIBOSOMAL SPACER; PHYLOGENY; PHYTOPHTHORA; SPECIES SPECIFICITY; SPORES, FUNGAL;

EID: 64049088490     PISSN: 00275514     EISSN: 15572536     Source Type: Journal    
DOI: 10.3852/07-203     Document Type: Article

References (37)

1. Boesewinkel HJ. 1974. Phytophthora on asparagus in New Zealand. Plant Disease Reporter 58:525-529.
2. Brasier CM. 1972. Observations on the sexual mechanism in Phytophthora palmivora and related species. Trans Br Mycol Soc 58:237-251.
3. -, Robredo F, Ferraz JFP. 1993. Evidence for Phytophthora cinnamomi involvement in Iberian oak decline. Plant Path 42:140-145.
4. -, Cooke DEL, Duncan JM. 1999. Origin of a new Phytophthora pathogen through interspecific hybridization. Proc Nat Acad Sci USA 96:5878-5883.
5. -, -, -, Hansen EM. 2003. Multiple new phenotypic taxa from trees and riparian ecosystems in Phytophthora gonapodyides-P. megasperma ITS Clade 6, which tend to be high-temperature tolerant and either inbreeding or sterile. Mycol Res 107:277-290.
6. Cooke DEL, Drenth A, Duncan JM, Wagels G, Brasier CM. 2000. A molecular phylogeny of Phytophthora and related Oomycetes. Fungal Genet Biol 30:17-32.
7. Drechsler C. 1931. A crown rot of hollyhock caused by Phytophthora megasperma n. sp. J Wash Acad Sci 21:513-526.
8. Erwin DC. 1965. Reclassification of the causal agent of root rot of alfalfa from Phytophthora cryptogea to P. megasperma. Phytopathology 55:1139-1143.
9. -, Ribeiro OK. 1996. Phytophthora diseases worldwide. St Paul, Minnesota: APS Press. 562 p.
10. Förster H, Coffey MD. 1993. Molecular taxonomy of Phytophthora megasperma based on mitochondrial and nuclear DNA polymorphisms. Mycol Res 97:1101-1112.
11. -, Cummings MP, Coffey MD. 2000. Phylogenetic relationships of Phytophthora species based on ribosomal ITS 1 DNA sequence analysis with emphasis on Waterhouse groups V and VI. Mycol Res 104:1055-1061.
12. -, Kinscherf TG, Leong SA, Maxwell DP. 1988. Estimation of relatedness between Phytophthora species by analysis of mitochondrial DNA. Mycologia 80:466-478.
13. -, -, -, -. 1989. Restriction fragment length polymorphism of the mitochondrial DNA of Phytophthora megasperma isolated from soybean, alfalfa, and fruit trees. Can J Bot 67:529-537.
14. Fulbright DW, Jacobs J, Stadt S, Catal M, Vettraino AM, Vannini A. 2006. Phytophthora root rot of Abies and Pinus in Michigan. In: Brasier C, Jung T, Osswald W, eds. Progress in research on Phytophthora diseases of forest Trees. Alice Holt Lodge, Farnham, Surrey, UK: Forest Research. p 155-156.
15. Hacker CV, Brasier CM, Buck KW. 2005. A double-stranded RNA from a Phytophthora species is related to the plant endornaviruses and contains a putative UDP glycosyltransferase gene. J Gen Virol 86:1561-70.
16. Hamm PB, Hansen EM. 1981. Host specificity of Phytophthora megasperma from Douglas-fir, soybean and alfalfa. Phytopathology 71:65-68.
17. -, -. 1987. Identification of Phytophthora spp. known to attack conifers in the Pacific Northwest. NW Sci 61:103-109.
18. Hansen EM, Delatour C. 1999. Phytophthora species in oak forests of north-east France. Ann Fo Sci 56:539-547.
19. -, Hamm PB. 1983. Morphological differentiation of host-specialized groups of Phytophthora megasperma. Phytopathology 73:129-134.
20. -, -, Julis AJ, Roth LF. 1981. Isolation, incidence and management of Phytophthora in forest tree nurseries in the Pacific Northwest. Plant Disease Reporter 63:607-611.
21. -, Maxwell DP. 1991. Species of the Phytophthora megasperma complex. Mycologia 83:376-381.
22. -, Brasier CM, Shaw DS, Hamm PB. 1986. The taxonomic structure of Phytophthora megasperma: evidence for emerging biological species groups. Trans Br Mycol Soc 87:557-573.
23. Hildebrand AA. 1959. A root and stalk rot of soybean caused by Phytophthora megasperma Drechsler var. sojae var. nov. Can J Bot 37:927-957.
24. Jeffers SN, Aldwinkle HS, Burr TJ, Arneson PA. 1982. Phytophthora and Pythium species associated with crown rot in New York apple orchards. Phytopathology 72: 533-538.
25. Kaufmann JJ, Gerdemann JW. 1958. Root rot of soybeans caused by Phytophthora sojae n. sp. Phytopathology 48: 201-208.
26. Kuan TL, Erwin DC. 1980. Formae speciales differentiation of Phytophthora megasperma isolates from soybean and alfalfa. Phytopathology 70:333-338.
27. Nagai Y, Takeuchi T, Watanabe T. 1978. A stem blight of rose caused by Phytophthora megasperma. Phytopathology 67:684-688.
28. Pratt RG. 1981. Morphology, pathogenicity and host range of Phytophthora megasperma, P. erythroseptica and P. parasitica from arrow leaf clover. Phytopathology 71: 276-282.
29. Reeser PW, Scott DH, Ruhl DE. 1991. Recovery of race non-classifiable Phytophthora megasperma f. sp. glycinea from soybean roots in Indiana in 1990. Phytopathology 81: 1201.
30. Tompkins CM, Tucker CM, Gardner MW. 1936. Phytophthora root rot of cauliflower. J Agric Res 53:685-692.
31. Waterhouse GM. 1963. Key to the species of Phytophthora de Bary. Mycological Papers 92. Commonwealth Mycological Institute, Kew, UK.
32. Whisson SC, Howlett BJ, Liew ECY, Maclean DJ, Manners JM, Irwin JAG. 1993. An assessment of genetic relationships between members of the Phytophthora megasperma complex and Phytophthora vignae using molecular markers. Aust Syst Bot 6:295-308.
33. White TJ, Bruns T, Lee S, Taylor J. 1990. Amplification and direct sequencing of fungal ribosomal RNA genes for phylogenetics. In: Innis MA, Gelfand DH, Sninsky JJ, White TJ, eds. PCR Protocols: a guide to methods and applications. San Diego: Academic Press. p 315-321.
34. Wilcox WF, Mircetich SM. 1985a. Effects of flooding duration on the development of Phytophthora root and crown rots of cherry. Phytopathology 75:1451-1455.
35. -, -. 1985b. Pathogenicity and relative virulence of seven Phytophthora spp. on mahaleb and Mazzard cherry. Phytopathology 75:221-226.
36. -, -. 1987. Lack of host specificity among isolates of Phytophthora megasperma. Phytopathology 77:1132-1137.
37. Winton LM, Hansen EM. 2001. Molecular diagnosis of Phytophthora lateralis in trees, water and foliage baits using multiplex polymerase chain reaction. Forest Pathol 31:275-283.