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Phytophthora ipomoeae sp. nov., a new homothallic species causing leaf blight on Ipomoea longipedunculata in the Toluca Valley of central Mexico

Published online by Cambridge University Press:  08 October 2002

Wilbert G. FLIER ,
Niklaus J. GRÜNWALD ,
Laurens P. N. M. KROON ,
Trudy B. M. VAN DEN BOSCH ,
Edith GARAY-SERRANO ,
Hector LOZOYA-SALDAÑA ,
Peter J. M. BONANTS  and
Lodewijk J. TURKENSTEEN
Wilbert G. FLIER
Affiliation:
Plant Research International, P.O. Box 16, 6700 AA Wageningen, The Netherlands.
Niklaus J. GRÜNWALD
Affiliation:
CEEM/PICTIPAPA Potato Late Blight Project, Department of Plant Pathology, Cornell University, 334 Plant Science Bldg., Ithaca, NY 14853, USA. Present address: USDA-ARS, 24106 N. Bunn Road, WA 99350, USA.
Laurens P. N. M. KROON
Affiliation:
Plant Research International, P.O. Box 16, 6700 AA Wageningen, The Netherlands.
Trudy B. M. VAN DEN BOSCH
Affiliation:
Plant Research International, P.O. Box 16, 6700 AA Wageningen, The Netherlands.
Edith GARAY-SERRANO
Affiliation:
CEEM/PICTIPAPA Potato Late Blight Project, Department of Plant Pathology, Cornell University, 334 Plant Science Bldg., Ithaca, NY 14853, USA.
Hector LOZOYA-SALDAÑA
Affiliation:
Departamento de Fitotechnia, Universidad Autónoma Chapingo 56230, Chapingo, Edo. de México, Mexico.
Peter J. M. BONANTS
Affiliation:
Plant Research International, P.O. Box 16, 6700 AA Wageningen, The Netherlands.
Lodewijk J. TURKENSTEEN
Affiliation:
Plant Research International, P.O. Box 16, 6700 AA Wageningen, The Netherlands.
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Abstract

A Phytophthora species was found on blighted foliage of Ipomoea longipedunculata, a morning glory native to the highlands of central Mexico. Based on host range, morphology, allozymes, mitochondrial DNA haplotype and rDNA sequences it is concluded that a new Phytophthora species, P. ipomoeae sp. nov., is the causal agent of leaf blight disease on I. longipedunculata.

Type
Research Article
Information
Mycological Research , Volume 106 , Issue 7 , July 2002 , pp. 848 - 856
Copyright
© The British Mycological Society 2002

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