Rudbeckia 131 claims

genus · family Asteraceae · green plant · NCBI Taxonomy ↗

Common name: coneflowers — Also written in claims: Coneflowers · Dracopis · cone flowers — NCBI synonyms: Dracopis

14 spellings

Questions studied on this organism3 questions6 papers

Rudbeckia · picture of the genus (one of its species)Dcoetzee · CC0 · Wikimedia Commons ↗

131 claims

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Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors recommend disease prevention guidelines to prevent downy mildew outbreaks and establishment in production sites.

Taxon: cone flowersRudbeckiae1
Interactor: downy mildewPeronosporaceaee1pathogen
Outcome: follow the required disease prevention guidelinese0

Verbatim

e0
“it is recommended to follow the required disease prevention guidelines to prevent outbreaks and the establishment of this plant pathogen in production sites”
✓ located verbatim in the source · abstract, characters 1391–1547

e1
“downy mildew in cone flowers”
✓ located verbatim in the source · abstract, characters 1361–1389

Title

Plasmopara echinaceae , a new species of downy mildew affecting cone flowers ( Echinacea purpurea ) in the United States

C. Salgado-Salazar; M.K. Romberg; B. Hudelson Fungal Systematics and Evolution 2023. doi:10.3114/fuse.2023.12.10

Other claims from this paper (5)

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Lower-leaf lesions coalesced into necrosis and spotting spread to higher leaves.

Taxon: RudbeckiaRudbeckiat0
Interactor: Septoria rudbeckiaeSeptoria rudbeckiaet0pathogen
Outcome: complete necrosis of the bottom leaves and spotting on higher leavese0

Verbatim

e0
“Lower leaves exhibited small black lesions in July, which coalesced as the season progressed leading to complete necrosis of the bottom leaves and spotting on higher leaves”
✓ located verbatim in the source · abstract, characters 512–684

t0
“Septoria rudbeckiae on Rudbeckia”
✓ located verbatim in the source · title, characters 16–48

Title

First record of Septoria rudbeckiae on Rudbeckia in the United Kingdom

F. Newbery; R.J. Robinson; E. Beal; et al. New Disease Reports 2020. doi:10.5197/j.2044-0588.2020.042.002

Other claims from this paper (10)

Observation Rudbeckia plants developed black leaf spots at RHS Garden Wisley.
Observation Flowering did not appear reduced.
Observation Leaf-spot pycnidia were epiphyllous and measured 50–75 μm.
Observation Conidia were filiform, 30–60 by 1.5–2 μm, with three septa.
Observation The isolate ITS sequence differed by one base pair from the available S. rudbeckiae sequence.
Observation The available Btub and EF1 sequences showed no more than 90% identity to the isolate.
Intervention effect Inoculated plants developed black leaf lesions after four weeks.
Observation Water-sprayed controls showed no symptoms.
Observation Pycnidia and conidia consistent with S. rudbeckiae were found in each inoculation lesion.
Observation The authors report the first occurrence of S. rudbeckiae in the United Kingdom.

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

Flowering did not appear reduced.

Taxon: RudbeckiaRudbeckiat0
Interactor: Septoria rudbeckiaeSeptoria rudbeckiaet0pathogen
Outcome: Floweringe0
Direction: did not appear to be reducede0

Verbatim

e0
“Flowering did not appear to be reduced”
✓ located verbatim in the source · abstract, characters 754–792

t0
“Septoria rudbeckiae on Rudbeckia”
✓ located verbatim in the source · title, characters 16–48

Title

First record of Septoria rudbeckiae on Rudbeckia in the United Kingdom

F. Newbery; R.J. Robinson; E. Beal; et al. New Disease Reports 2020. doi:10.5197/j.2044-0588.2020.042.002

Other claims from this paper (10)

Observation Rudbeckia plants developed black leaf spots at RHS Garden Wisley.
Observation Lower-leaf lesions coalesced into necrosis and spotting spread to higher leaves.
Observation Leaf-spot pycnidia were epiphyllous and measured 50–75 μm.
Observation Conidia were filiform, 30–60 by 1.5–2 μm, with three septa.
Observation The isolate ITS sequence differed by one base pair from the available S. rudbeckiae sequence.
Observation The available Btub and EF1 sequences showed no more than 90% identity to the isolate.
Intervention effect Inoculated plants developed black leaf lesions after four weeks.
Observation Water-sprayed controls showed no symptoms.
Observation Pycnidia and conidia consistent with S. rudbeckiae were found in each inoculation lesion.
Observation The authors report the first occurrence of S. rudbeckiae in the United Kingdom.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Leaf-spot pycnidia were epiphyllous and measured 50–75 μm.

Taxon: RudbeckiaRudbeckiat0
Interactor: Septoria rudbeckiaeSeptoria rudbeckiaet0pathogen
Outcome: Pycnidia within the leaf spots were epiphyllouse0
Value: 50-75 μme0

Verbatim

e0
“Pycnidia within the leaf spots were epiphyllous, 50-75 μm diameter”
✓ located verbatim in the source · abstract, characters 794–860

t0
“Septoria rudbeckiae on Rudbeckia”
✓ located verbatim in the source · title, characters 16–48

Title

First record of Septoria rudbeckiae on Rudbeckia in the United Kingdom

F. Newbery; R.J. Robinson; E. Beal; et al. New Disease Reports 2020. doi:10.5197/j.2044-0588.2020.042.002

Other claims from this paper (10)

Observation Rudbeckia plants developed black leaf spots at RHS Garden Wisley.
Observation Lower-leaf lesions coalesced into necrosis and spotting spread to higher leaves.
Observation Flowering did not appear reduced.
Observation Conidia were filiform, 30–60 by 1.5–2 μm, with three septa.
Observation The isolate ITS sequence differed by one base pair from the available S. rudbeckiae sequence.
Observation The available Btub and EF1 sequences showed no more than 90% identity to the isolate.
Intervention effect Inoculated plants developed black leaf lesions after four weeks.
Observation Water-sprayed controls showed no symptoms.
Observation Pycnidia and conidia consistent with S. rudbeckiae were found in each inoculation lesion.
Observation The authors report the first occurrence of S. rudbeckiae in the United Kingdom.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Conidia were filiform, 30–60 by 1.5–2 μm, with three septa.

Taxon: RudbeckiaRudbeckiat0
Interactor: Septoria rudbeckiaeSeptoria rudbeckiaet0pathogen
Outcome: Conidia were filiforme0
Value: 30-60 times 1.5-2 μme0

Verbatim

e0
“Conidia were filiform, 30-60 times 1.5-2 μm, with three septa”
✓ located verbatim in the source · abstract, characters 918–979

t0
“Septoria rudbeckiae on Rudbeckia”
✓ located verbatim in the source · title, characters 16–48

Title

First record of Septoria rudbeckiae on Rudbeckia in the United Kingdom

F. Newbery; R.J. Robinson; E. Beal; et al. New Disease Reports 2020. doi:10.5197/j.2044-0588.2020.042.002

Other claims from this paper (10)

Observation Rudbeckia plants developed black leaf spots at RHS Garden Wisley.
Observation Lower-leaf lesions coalesced into necrosis and spotting spread to higher leaves.
Observation Flowering did not appear reduced.
Observation Leaf-spot pycnidia were epiphyllous and measured 50–75 μm.
Observation The isolate ITS sequence differed by one base pair from the available S. rudbeckiae sequence.
Observation The available Btub and EF1 sequences showed no more than 90% identity to the isolate.
Intervention effect Inoculated plants developed black leaf lesions after four weeks.
Observation Water-sprayed controls showed no symptoms.
Observation Pycnidia and conidia consistent with S. rudbeckiae were found in each inoculation lesion.
Observation The authors report the first occurrence of S. rudbeckiae in the United Kingdom.

Observationobservedoriginal resultmeasured

Claim · model-written summary

The isolate ITS sequence differed by one base pair from the available S. rudbeckiae sequence.

Taxon: RudbeckiaRudbeckiat0
Interactor: Septoria rudbeckiaeSeptoria rudbeckiaee0pathogen
Outcome: ITS sequence differede0
Value: one base paire0

Verbatim

e0
“The ITS sequence differed by one base pair from the only ITS sequence available for Septoria rudbeckiae (JQ677043)”
✓ located verbatim in the source · abstract, characters 1654–1768

t0
“Rudbeckia”
✓ located verbatim in the source · title, characters 39–48

Title

First record of Septoria rudbeckiae on Rudbeckia in the United Kingdom

F. Newbery; R.J. Robinson; E. Beal; et al. New Disease Reports 2020. doi:10.5197/j.2044-0588.2020.042.002

Other claims from this paper (10)

Observation Rudbeckia plants developed black leaf spots at RHS Garden Wisley.
Observation Lower-leaf lesions coalesced into necrosis and spotting spread to higher leaves.
Observation Flowering did not appear reduced.
Observation Leaf-spot pycnidia were epiphyllous and measured 50–75 μm.
Observation Conidia were filiform, 30–60 by 1.5–2 μm, with three septa.
Observation The available Btub and EF1 sequences showed no more than 90% identity to the isolate.
Intervention effect Inoculated plants developed black leaf lesions after four weeks.
Observation Water-sprayed controls showed no symptoms.
Observation Pycnidia and conidia consistent with S. rudbeckiae were found in each inoculation lesion.
Observation The authors report the first occurrence of S. rudbeckiae in the United Kingdom.

Observationobservedoriginal resultmeasured

Claim · model-written summary

The available Btub and EF1 sequences showed no more than 90% identity to the isolate.

Taxon: RudbeckiaRudbeckiat0
Interactor: Septoria rudbeckiaeSeptoria rudbeckiaet0pathogen
Outcome: none of the available sequences had more than 90% identitye0
Value: 90%e0

Verbatim

e0
“No previous sequences were available for comparison for Btub and EF1 and none of the available sequences had more than 90% identity”
✓ located verbatim in the source · abstract, characters 1770–1901

t0
“Septoria rudbeckiae on Rudbeckia”
✓ located verbatim in the source · title, characters 16–48

Title

First record of Septoria rudbeckiae on Rudbeckia in the United Kingdom

F. Newbery; R.J. Robinson; E. Beal; et al. New Disease Reports 2020. doi:10.5197/j.2044-0588.2020.042.002

Other claims from this paper (10)

Observation Rudbeckia plants developed black leaf spots at RHS Garden Wisley.
Observation Lower-leaf lesions coalesced into necrosis and spotting spread to higher leaves.
Observation Flowering did not appear reduced.
Observation Leaf-spot pycnidia were epiphyllous and measured 50–75 μm.
Observation Conidia were filiform, 30–60 by 1.5–2 μm, with three septa.
Observation The isolate ITS sequence differed by one base pair from the available S. rudbeckiae sequence.
Intervention effect Inoculated plants developed black leaf lesions after four weeks.
Observation Water-sprayed controls showed no symptoms.
Observation Pycnidia and conidia consistent with S. rudbeckiae were found in each inoculation lesion.
Observation The authors report the first occurrence of S. rudbeckiae in the United Kingdom.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Water-sprayed controls showed no symptoms.

Taxon: RudbeckiaRudbeckiat0
Interactor: Septoria rudbeckiaeSeptoria rudbeckiaet0pathogen
Outcome: no symptomse0

Verbatim

e0
“Control plants sprayed with sterilised water showed no symptoms”
✓ located verbatim in the source · abstract, characters 2369–2432

t0
“Septoria rudbeckiae on Rudbeckia”
✓ located verbatim in the source · title, characters 16–48

Title

First record of Septoria rudbeckiae on Rudbeckia in the United Kingdom

F. Newbery; R.J. Robinson; E. Beal; et al. New Disease Reports 2020. doi:10.5197/j.2044-0588.2020.042.002

Other claims from this paper (10)

Observation Rudbeckia plants developed black leaf spots at RHS Garden Wisley.
Observation Lower-leaf lesions coalesced into necrosis and spotting spread to higher leaves.
Observation Flowering did not appear reduced.
Observation Leaf-spot pycnidia were epiphyllous and measured 50–75 μm.
Observation Conidia were filiform, 30–60 by 1.5–2 μm, with three septa.
Observation The isolate ITS sequence differed by one base pair from the available S. rudbeckiae sequence.
Observation The available Btub and EF1 sequences showed no more than 90% identity to the isolate.
Intervention effect Inoculated plants developed black leaf lesions after four weeks.
Observation Pycnidia and conidia consistent with S. rudbeckiae were found in each inoculation lesion.
Observation The authors report the first occurrence of S. rudbeckiae in the United Kingdom.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Pycnidia and conidia consistent with S. rudbeckiae were found in each inoculation lesion.

Taxon: RudbeckiaRudbeckiat0
Interactor: S. rudbeckiaeSeptoria rudbeckiaee0pathogen
Outcome: Pycnidia and conidia consistent with S. rudbeckiae were found within each lesione0

Verbatim

e0
“Pycnidia and conidia consistent with S. rudbeckiae were found within each lesion”
✓ located verbatim in the source · abstract, characters 2287–2367

t0
“Rudbeckia”
✓ located verbatim in the source · title, characters 39–48

Title

First record of Septoria rudbeckiae on Rudbeckia in the United Kingdom

F. Newbery; R.J. Robinson; E. Beal; et al. New Disease Reports 2020. doi:10.5197/j.2044-0588.2020.042.002

Other claims from this paper (10)

Observation Rudbeckia plants developed black leaf spots at RHS Garden Wisley.
Observation Lower-leaf lesions coalesced into necrosis and spotting spread to higher leaves.
Observation Flowering did not appear reduced.
Observation Leaf-spot pycnidia were epiphyllous and measured 50–75 μm.
Observation Conidia were filiform, 30–60 by 1.5–2 μm, with three septa.
Observation The isolate ITS sequence differed by one base pair from the available S. rudbeckiae sequence.
Observation The available Btub and EF1 sequences showed no more than 90% identity to the isolate.
Intervention effect Inoculated plants developed black leaf lesions after four weeks.
Observation Water-sprayed controls showed no symptoms.
Observation The authors report the first occurrence of S. rudbeckiae in the United Kingdom.

Observationauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

The authors report the first occurrence of S. rudbeckiae in the United Kingdom.

Taxon: RudbeckiaRudbeckiat0
Interactor: S. rudbeckiaeSeptoria rudbeckiaee0pathogen
Outcome: first report of S. rudbeckiaee0
Setting: United Kingdome0

Verbatim

e0
“this is the first report of S. rudbeckiae in the United Kingdom”
✓ located verbatim in the source · abstract, characters 2956–3019

t0
“Rudbeckia”
✓ located verbatim in the source · title, characters 39–48

Title

First record of Septoria rudbeckiae on Rudbeckia in the United Kingdom

F. Newbery; R.J. Robinson; E. Beal; et al. New Disease Reports 2020. doi:10.5197/j.2044-0588.2020.042.002

Other claims from this paper (10)

Observation Rudbeckia plants developed black leaf spots at RHS Garden Wisley.
Observation Lower-leaf lesions coalesced into necrosis and spotting spread to higher leaves.
Observation Flowering did not appear reduced.
Observation Leaf-spot pycnidia were epiphyllous and measured 50–75 μm.
Observation Conidia were filiform, 30–60 by 1.5–2 μm, with three septa.
Observation The isolate ITS sequence differed by one base pair from the available S. rudbeckiae sequence.
Observation The available Btub and EF1 sequences showed no more than 90% identity to the isolate.
Intervention effect Inoculated plants developed black leaf lesions after four weeks.
Observation Water-sprayed controls showed no symptoms.
Observation Pycnidia and conidia consistent with S. rudbeckiae were found in each inoculation lesion.