Helminthosporium solani 12 claims

species · family Massarinaceae · fungus · NCBI Taxonomy ↗

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Helminthosporium solaniScot Nelson · CC0 · Wikimedia Commons ↗

12 claims

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Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

H. solani gene expression was highly reduced during coinoculation with C. rosea.

Taxon: H. solaniHelminthosporium solanie0
Treatment: coinoculated with the biocontrol agent C. roseae0
Outcome: H. solani gene expressione0
Direction: highly reducede0

Not reportedComparator

Verbatim

e0
“H. solani gene expression was highly reduced when coinoculated with the biocontrol agent C. rosea”
✓ located verbatim in the source · abstract, characters 294–391

Title

A Three-Way Transcriptomic Interaction Study of a Biocontrol Agent (Clonostachys rosea), a Fungal Pathogen (Helminthosporium solani), and a Potato Host (Solanum tuberosum)

Erik Lysøe; Merete W. Dees; May Bente Brurberg Molecular Plant-Microbe Interactions 2017. doi:10.1094/mpmi-03-17-0062-r

Other claims from this paper (8)

Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Pathogen isolates differed significantly in sensitivity to the tested chemicals.

Taxon: H. solaniHelminthosporium solanie2
Outcome: sensitivity to both chemicalse0

Not reportedDirection

Verbatim

e0
“Isolates differed significantly in sensitivity to both chemicals.”
✓ located verbatim in the source · abstract, characters 1143–1208

e1
“Four isolates, selected as a subset from the 20 isolates tested for TBZ sensitivity, were tested for resistance to TPM, mancozeb, and TPM + mancozeb on amended V8 media.”
✓ located verbatim in the source · abstract, characters 973–1142

e2
“20 isolates of H. solani”
✓ located verbatim in the source · abstract, characters 896–920

Title

Potato Silver Scurf Affected by Tuber Seed Treatments and Locations, and Occurrence of Fungicide Resistant Isolates of Helminthosporium solani

Brad Geary; Dennis A. Johnson; Philip B. Hamm; et al. Plant Disease 2007. doi:10.1094/pdis-91-3-0315

Other claims from this paper (11)

Association Silver scurf incidence differed significantly among locations.
Observation Disease incidence was highest at Redmond, OR.
Observation Disease incidence was lowest at Hermiston, OR.
Intervention effect Fludioxonil seed treatment significantly reduced silver scurf on progeny tubers versus the nontreated control regardless of location.
Intervention effect Fludioxonil plus quintozene seed treatment significantly reduced silver scurf versus the nontreated control regardless of location.
Intervention effect Azoxystrobin seed treatment significantly reduced silver scurf versus the nontreated control regardless of location.
Intervention effect Thiophanate-methyl plus mancozeb seed treatment significantly reduced silver scurf versus the nontreated control regardless of location.
Observation Thirteen of twenty H. solani isolates were resistant to TBZ.
Observation One of four subset isolates was resistant to both TBZ and TPM.
Association TBZ sensitivity was not related to isolate geographic origin.
Observation One resistant and one sensitive H. solani isolate were collected from the same tuber.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Thirteen of twenty H. solani isolates were resistant to TBZ.

Taxon: H. solaniHelminthosporium solanie1
Outcome: resistant to TBZe0
Value: Thirteen isolates out of the 20e0

Not reportedDirection

Verbatim

e0
“Thirteen isolates out of the 20 tested were resistant to TBZ.”
✓ located verbatim in the source · abstract, characters 1209–1270

e1
“20 isolates of H. solani”
✓ located verbatim in the source · abstract, characters 896–920

Title

Potato Silver Scurf Affected by Tuber Seed Treatments and Locations, and Occurrence of Fungicide Resistant Isolates of Helminthosporium solani

Brad Geary; Dennis A. Johnson; Philip B. Hamm; et al. Plant Disease 2007. doi:10.1094/pdis-91-3-0315

Other claims from this paper (11)

Association Silver scurf incidence differed significantly among locations.
Observation Disease incidence was highest at Redmond, OR.
Observation Disease incidence was lowest at Hermiston, OR.
Intervention effect Fludioxonil seed treatment significantly reduced silver scurf on progeny tubers versus the nontreated control regardless of location.
Intervention effect Fludioxonil plus quintozene seed treatment significantly reduced silver scurf versus the nontreated control regardless of location.
Intervention effect Azoxystrobin seed treatment significantly reduced silver scurf versus the nontreated control regardless of location.
Intervention effect Thiophanate-methyl plus mancozeb seed treatment significantly reduced silver scurf versus the nontreated control regardless of location.
Observation Pathogen isolates differed significantly in sensitivity to the tested chemicals.
Observation One of four subset isolates was resistant to both TBZ and TPM.
Association TBZ sensitivity was not related to isolate geographic origin.
Observation One resistant and one sensitive H. solani isolate were collected from the same tuber.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

One of four subset isolates was resistant to both TBZ and TPM.

Taxon: H. solaniHelminthosporium solanie1
Outcome: resistant to both TBZ and TPMe0
Value: One out of the foure0

Not reportedDirection

Verbatim

e0
“One out of the four subsets of isolates was resistant to both TBZ and TPM.”
✓ located verbatim in the source · abstract, characters 1271–1345

e1
“20 isolates of H. solani”
✓ located verbatim in the source · abstract, characters 896–920

Title

Potato Silver Scurf Affected by Tuber Seed Treatments and Locations, and Occurrence of Fungicide Resistant Isolates of Helminthosporium solani

Brad Geary; Dennis A. Johnson; Philip B. Hamm; et al. Plant Disease 2007. doi:10.1094/pdis-91-3-0315

Other claims from this paper (11)

Association Silver scurf incidence differed significantly among locations.
Observation Disease incidence was highest at Redmond, OR.
Observation Disease incidence was lowest at Hermiston, OR.
Intervention effect Fludioxonil seed treatment significantly reduced silver scurf on progeny tubers versus the nontreated control regardless of location.
Intervention effect Fludioxonil plus quintozene seed treatment significantly reduced silver scurf versus the nontreated control regardless of location.
Intervention effect Azoxystrobin seed treatment significantly reduced silver scurf versus the nontreated control regardless of location.
Intervention effect Thiophanate-methyl plus mancozeb seed treatment significantly reduced silver scurf versus the nontreated control regardless of location.
Observation Pathogen isolates differed significantly in sensitivity to the tested chemicals.
Observation Thirteen of twenty H. solani isolates were resistant to TBZ.
Association TBZ sensitivity was not related to isolate geographic origin.
Observation One resistant and one sensitive H. solani isolate were collected from the same tuber.

Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

TBZ sensitivity was not related to isolate geographic origin.

Taxon: H. solaniHelminthosporium solanie1
Outcome: TBZ sensitivitye0
Setting: geographic origine0

Not reportedDirection

Verbatim

e0
“TBZ sensitivity was not related to geographic origin of the isolates.”
✓ located verbatim in the source · abstract, characters 1346–1415

e1
“20 isolates of H. solani”
✓ located verbatim in the source · abstract, characters 896–920

Title

Potato Silver Scurf Affected by Tuber Seed Treatments and Locations, and Occurrence of Fungicide Resistant Isolates of Helminthosporium solani

Brad Geary; Dennis A. Johnson; Philip B. Hamm; et al. Plant Disease 2007. doi:10.1094/pdis-91-3-0315

Other claims from this paper (11)

Association Silver scurf incidence differed significantly among locations.
Observation Disease incidence was highest at Redmond, OR.
Observation Disease incidence was lowest at Hermiston, OR.
Intervention effect Fludioxonil seed treatment significantly reduced silver scurf on progeny tubers versus the nontreated control regardless of location.
Intervention effect Fludioxonil plus quintozene seed treatment significantly reduced silver scurf versus the nontreated control regardless of location.
Intervention effect Azoxystrobin seed treatment significantly reduced silver scurf versus the nontreated control regardless of location.
Intervention effect Thiophanate-methyl plus mancozeb seed treatment significantly reduced silver scurf versus the nontreated control regardless of location.
Observation Pathogen isolates differed significantly in sensitivity to the tested chemicals.
Observation Thirteen of twenty H. solani isolates were resistant to TBZ.
Observation One of four subset isolates was resistant to both TBZ and TPM.
Observation One resistant and one sensitive H. solani isolate were collected from the same tuber.

Observationobservedoriginal resultmeasured

Claim · model-written summary

One resistant and one sensitive H. solani isolate were collected from the same tuber.

Taxon: H. solaniHelminthosporium solanie1
Outcome: one resistant and one sensitive isolatee0
Qualifier: collected from the same tubere0

Verbatim

e0
“Variation in resistance was evident on a small scale as seen with one resistant and one sensitive isolate collected from the same tuber.”
✓ located verbatim in the source · abstract, characters 1416–1552

e1
“20 isolates of H. solani”
✓ located verbatim in the source · abstract, characters 896–920

Title

Potato Silver Scurf Affected by Tuber Seed Treatments and Locations, and Occurrence of Fungicide Resistant Isolates of Helminthosporium solani

Brad Geary; Dennis A. Johnson; Philip B. Hamm; et al. Plant Disease 2007. doi:10.1094/pdis-91-3-0315

Other claims from this paper (11)

Association Silver scurf incidence differed significantly among locations.
Observation Disease incidence was highest at Redmond, OR.
Observation Disease incidence was lowest at Hermiston, OR.
Intervention effect Fludioxonil seed treatment significantly reduced silver scurf on progeny tubers versus the nontreated control regardless of location.
Intervention effect Fludioxonil plus quintozene seed treatment significantly reduced silver scurf versus the nontreated control regardless of location.
Intervention effect Azoxystrobin seed treatment significantly reduced silver scurf versus the nontreated control regardless of location.
Intervention effect Thiophanate-methyl plus mancozeb seed treatment significantly reduced silver scurf versus the nontreated control regardless of location.
Observation Pathogen isolates differed significantly in sensitivity to the tested chemicals.
Observation Thirteen of twenty H. solani isolates were resistant to TBZ.
Observation One of four subset isolates was resistant to both TBZ and TPM.
Association TBZ sensitivity was not related to isolate geographic origin.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Conidiophores were unbranched and browned with age.

Taxon: Helminthosporium solaniHelminthosporium solanit0
Outcome: Conidiophores are unbrenched and turn to brown with agee0

Verbatim

e0
“Conidiophores are unbrenched and turn to brown with age.”
✓ located verbatim in the source · abstract, characters 466–522

t0
“HELMINTHOSPORIUM SOLANI”
✓ located verbatim in the source · title, characters 45–68

Title

OCCURRENCE OF SILVER SCURF DISEASE CAUSED BY HELMINTHOSPORIUM SOLANI (DURIEU & MONT.,) IN YUNNAN PROVINCE

Wenfu Luo; Yanli Yang; Chen Hai-ru; et al. Chinese Potato 2001

Other claims from this paper (11)

Observation Silver scurf incidence reached 33 3% from January to April.
Observation Silver scurf symptoms were mainly at the stem end of tubers.
Observation Severely infected tubers shriveled and shrank from moisture loss.
Observation Helminthosporium solani was identified as the cause of silver scurf.
Observation Conidiophores measured 150～550μm×7 0～10～0μm and clustered one to six per bulb.
Observation Conidia were brown and arranged in whorls.
Observation Conidia were straight or slightly curved and had three to eight septa.
Observation Conidia measured 20～80μm ×7 5～10μm.
Observation Conidial sporulation did not differ between dark and light incubation.
Observation Artificial inoculation of tuber surfaces confirmed pathogenicity.
Observation The authors report the first Chinese occurrence of potato silver scurf caused by Helminthosporium solani.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Conidiophores measured 150～550μm×7 0～10～0μm and clustered one to six per bulb.

Taxon: Helminthosporium solaniHelminthosporium solanit0
Outcome: size of conidiophorese0
Value: 150～550μm×7 0～10～0μme0
Qualifier: 1 to 6 conidiophores are clustere in a bulbe0

Verbatim

e0
“The size of conidiophores are 150～550μm×7 0～10～0μm(avg.350×8 5μm)and 1 to 6 conidiophores are clustere in a bulb.”
✓ located verbatim in the source · abstract, characters 523–636

t0
“HELMINTHOSPORIUM SOLANI”
✓ located verbatim in the source · title, characters 45–68

Title

OCCURRENCE OF SILVER SCURF DISEASE CAUSED BY HELMINTHOSPORIUM SOLANI (DURIEU & MONT.,) IN YUNNAN PROVINCE

Wenfu Luo; Yanli Yang; Chen Hai-ru; et al. Chinese Potato 2001

Other claims from this paper (11)

Observation Silver scurf incidence reached 33 3% from January to April.
Observation Silver scurf symptoms were mainly at the stem end of tubers.
Observation Severely infected tubers shriveled and shrank from moisture loss.
Observation Helminthosporium solani was identified as the cause of silver scurf.
Observation Conidiophores were unbranched and browned with age.
Observation Conidia were brown and arranged in whorls.
Observation Conidia were straight or slightly curved and had three to eight septa.
Observation Conidia measured 20～80μm ×7 5～10μm.
Observation Conidial sporulation did not differ between dark and light incubation.
Observation Artificial inoculation of tuber surfaces confirmed pathogenicity.
Observation The authors report the first Chinese occurrence of potato silver scurf caused by Helminthosporium solani.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Conidia were brown and arranged in whorls.

Taxon: Helminthosporium solaniHelminthosporium solanit0
Outcome: Conidia are brown, arranged in whorlse0

Verbatim

e0
“Conidia are brown, arranged in whorls arising singly or in groups from the distal ends.”
✓ located verbatim in the source · abstract, characters 637–724