New records for pathogenic fungi on weedy or non-indigenous plants

George  Newcombe; Rhonda  Gaylord; JOSEPH YENISH; Joy  Mastrogiuseppe; Frank M. Dugan

doi:10.2509/naf2009.004.008

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New records for pathogenic fungi on weedy or non-indigenous plants

Journal article

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Peer reviewed

New records for pathogenic fungi on weedy or non-indigenous plants

George Newcombe, Rhonda Gaylord, JOSEPH YENISH, Joy Mastrogiuseppe and Frank M. Dugan

North American fungi, Vol.4(8), pp.1-12

12/14/2009

DOI: https://doi.org/10.2509/naf2009.004.008

Handle:

https://hdl.handle.net/2376/120776

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Abstract

Albugo candida

Blumeria graminis

Centaurea stoebe

Epilobium brachycarpum

Golovinomyces

Lunaria annua

Penstemon palmeri var

palmeri

Poa bulbosa

Puccinia jaceae

Pucciniastrum epilobii

Pucciniastrum pustulatum

Ramularia nivosa

rust

Mycology

A rust fungus, Puccinia jaceae, is reported for the first time in the United States on spotted knapweed, Centaurea stoebe. Powdery mildew (Blumeria graminis) of bulbous bluegrass, Poa bulbosa, is reported for the first time in western North America. Ramularia nivosa on Penstemon palmeri, Albugo candida on Lunaria annua, and Pucciniastrum pustulatum on Epilobium brachycarpum, are reported for the first time from Idaho. A Golovinomyces sp. on Verbena bonariensis is reported for the first time from Washington State. The basis for diagnosis for each disease is reported, accompanied by photomicrographs of the fungal pathogens, photographs of some of the diseases, and discussion of the implications of the findings.

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Title: New records for pathogenic fungi on weedy or non-indigenous plants
Creators: George Newcombe (Author)
Rhonda Gaylord (Author)
JOSEPH YENISH (Author) - Washington State University, Crop and Soil Sciences, Department of
Joy Mastrogiuseppe (Author)
Frank M. Dugan (Author)
Publication Details: North American fungi, Vol.4(8), pp.1-12
Academic Unit: North American Fungi
Identifiers: 99900617754101842
Language: English
Resource Type: Journal article