take-all root rot (Gaeumannomyces graminis var. graminis) in Southern Plant Diagnostic Network

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Lesions on crowns and decayed roots<br />Cultivar is 'Fireworks' 

Elizabeth Bush, Virginia Polytechnic Institute and State University, Bugwood.org

Lesions on crowns and decayed roots
Cultivar is 'Fireworks' 

Dark stem lesion<br />Cultivar is 'Fireworks' 

Elizabeth Bush, Virginia Polytechnic Institute and State University, Bugwood.org

Dark stem lesion
Cultivar is 'Fireworks' 

Lesions on crowns and decayed roots<br />Cultivar is 'Fireworks' 

Elizabeth Bush, Virginia Polytechnic Institute and State University, Bugwood.org

Lesions on crowns and decayed roots
Cultivar is 'Fireworks' 

Infection hyphae originating from lobed hyphophodia

Holly Thornton, University of Georgia, Bugwood.org

Infection hyphae originating from lobed hyphophodia

Dark brown to black ectotrophic ruunner hyphae on the stolons

Holly Thornton, University of Georgia, Bugwood.org

Dark brown to black ectotrophic ruunner hyphae on the stolons

Blackened, shortened, and rotted roots of St. Augustine grass infected with the take-all pathogen

Holly Thornton, University of Georgia, Bugwood.org

Blackened, shortened, and rotted roots of St. Augustine grass infected with the take-all pathogen

Plants overall were unthrifty and the root systems had a significant reduction in the number of roots.

Paul Bachi, University of Kentucky Research and Education Center, Bugwood.org

Plants overall were unthrifty and the root systems had a significant reduction in the number of roots.

Ectotrophic hyphae and lobed hyphopodia of the fungus Gaeumannomyces graminis var. graminis.

Paul Bachi, University of Kentucky Research and Education Center, Bugwood.org

Ectotrophic hyphae and lobed hyphopodia of the fungus Gaeumannomyces graminis var. graminis.

Ectotrophic hyphae and lobed hyphopodia of the fungus Gaeumannomyces graminis var. graminis.

Paul Bachi, University of Kentucky Research and Education Center, Bugwood.org

Ectotrophic hyphae and lobed hyphopodia of the fungus Gaeumannomyces graminis var. graminis.

Plants overall were somewhat unthrifty but the root systems were not visually impaired.

Paul Bachi, University of Kentucky Research and Education Center, Bugwood.org

Plants overall were somewhat unthrifty but the root systems were not visually impaired.

Ectotrophic hyphae and lobed hyphopodia of the fungus Gaeumannomyces graminis var. graminis.

Paul Bachi, University of Kentucky Research and Education Center, Bugwood.org

Ectotrophic hyphae and lobed hyphopodia of the fungus Gaeumannomyces graminis var. graminis.

Ectotrophic hyphae and lobed hyphopodia of the fungus Gaeumannomyces graminis var. graminis.

Paul Bachi, University of Kentucky Research and Education Center, Bugwood.org

Ectotrophic hyphae and lobed hyphopodia of the fungus Gaeumannomyces graminis var. graminis.

Ectotrophic hyphae and lobed hyphopodia of the fungus Gaeumannomyces graminis var. graminis.

Paul Bachi, University of Kentucky Research and Education Center, Bugwood.org

Ectotrophic hyphae and lobed hyphopodia of the fungus Gaeumannomyces graminis var. graminis.

Ectotrophic hyphae and lobed hyphopodia of the fungus Gaeumannomyces graminis var. graminis.

Paul Bachi, University of Kentucky Research and Education Center, Bugwood.org

Ectotrophic hyphae and lobed hyphopodia of the fungus Gaeumannomyces graminis var. graminis.

Lobed hyphopodia and dark mycelia on root tissue

Elizabeth Bush, Virginia Polytechnic Institute and State University, Bugwood.org

Lobed hyphopodia and dark mycelia on root tissue

Dark mycelia and hyphoohodia on a fibrous root<br />cultivar is 'Fireworks'

Elizabeth Bush, Virginia Polytechnic Institute and State University, Bugwood.org

Dark mycelia and hyphoohodia on a fibrous root
cultivar is 'Fireworks'