Full TGIF Record # 80516
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Web URL(s):http://www.nrcresearchpress.com/doi/pdf/10.1139/b02-024
    Last checked: 03/04/2015
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Publication Type:
i
Refereed
Author(s):Neumann, Silke; Boland, Greg J.
Author Affiliation:Department of Environmental Biology, University of Guelph, Guelph, Ontario, Canada
Title:Influence of host and pathogen variables on the efficacy of Phoma herbarum, a potential biological control agent of Taraxacum officinale
Column Name:Note
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Section:Mycology and plant pathology
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Source:Canadian Journal of Botany. Vol. 80, No. 4, April 2002, p. 425-429.
Publishing Information:Vancouver, British Columbia: The National Research Council of Canada.
# of Pages:5
Keywords:TIC Keywords: Phoma herbarum; Taraxacum officinale; Biological control; Weed control
Abstract/Contents:Phoma herbarum Westendorp has been identified as a potential biological weed control agent (BWCA) for Taraxacum officinale Weber in turf. However, host and pathogen variables that influence the efficacy of this BWCA need to be identified to provide more optimal conditions for production and efficacy. In controlled-environment studies, 4-week-old T. officinale plants were significantly more susceptible to P. herbarum than were plants that were 6 and 8 weeks old, nonflowering but mature, budding, or flowering. Mycelial suspensions incited significantly more severe disease than conidia, and 5-day-old mycelial shake cultures incited significantly higher disease than 3-, 7-, 9-, 11-, or 13-day-old cultures. A concentration of 10 to 20% of mycelial fragments in potato dextrose broth (v/v) incited higher disease severity than 0, 40, 60, or 100%. These experiments identified several important host and pathogen variables that influence the efficacy of P. herbarum on T. officinale and established more optimal conditions for production and efficacy of this BWCA."
Language:English
References:23
Note:Abstract also appears in French
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Neumann, S., and G. J. Boland. 2002. Influence of host and pathogen variables on the efficacy of Phoma herbarum, a potential biological control agent of Taraxacum officinale. Can. J. Bot. 80(4):p. 425-429.
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http://www.nrcresearchpress.com/doi/pdf/10.1139/b02-024
    Last checked: 03/04/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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