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Diaporthe phaseolorum var. caulivora (northern stem canker, stem canker )
Diaporthe phaseolorum var. caulivora
northern stem canker, stem canker
Diaporthe caulivora
Argentina, Ecuador, Bulgaria, Serbia, Croatia, Brazil, Italy, France, Southern Russia, Yugoslavia (former), Republic of Korea, Ontario.
Eastern and Midwestern US
2022-02-23
fungus
China
soybean
DIAPPC
This pathogen has not been reported in the western United States
1 Known Hosts
Glycine max
soybean
Yes
DIAPPC-2
This pathogen is part of the Phomopsis Complex and seed is known to be a pathway, although seed transmission does not always occur. The frequency of the pathogen on seed was less than 0.5% in research.
Yes
Culture plating, Blotter incubation
These are standard methods of the NSHS.
Culture plating or Blotter incubation are both NSHS standard methods.
DIAPPC-5
Captan,Thiram fungicides reduce infection
DIAPPC-6
DIAPPC-2
Zhang, A. W.; Hartman, G. L.; Curio-Penny, B.; Pedersen, W. L.; Becker, K. B., 1999. Molecular detection of Diaporthe phaseolorum and Phomopsis longicolla from soybean seeds. Phytopathology 89:796-80
DIAPPC-5
Seed Health Testing Method for Phomosis-Diaporthe Sb 2.1, 2016: National Seed Health System www.seedhealth.org
DIAPPC-6
Backman PA, Weaver DB, Morgan-Jones G, 1985. Soybean stem canker: an emerging disease problem. Plant Disease, 69:641-647
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