By interacting organism › Fungi › Pucciniaceae › Puccinia substriata var. indica

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Selections from nine accessions had zero rust severity after four generations.

Taxon: Pennisetum violaceumCenchrus violaceust0
Material: nine accessionse0
Interactor: Puccinia substriata var. indicaPuccinia substriata var. indicat1pathogen
Outcome: rust severitye0
Value: 0%e0
Qualifier: after four generations of pedigree selectione0

Verbatim

e0
“Single plant selections from nine accessions (IP 21629, 21645, 21658, 21660, 21662, 21711, 21974, 21975, and 22038) were found highly resistant to rust (0% rust severity) after four generations of pedigree selection and subsequent screening”
✓ located verbatim in the source · abstract, characters 1174–1414

t0
“Pennisetum violaceum”
✓ located verbatim in the source · title, characters 8–28

t1
“Puccinia substriata var. indica”
✓ located verbatim in the source · title, characters 159–190

Title

Tapping Pennisetum violaceum, a Wild Relative of Pearl Millet (Pennisetum glaucum), for Resistance to Blast (caused by Magnaporthe grisea) and Rust (caused by Puccinia substriata var. indica)

Rajan Sharma; Shivali Sharma; Vishal L. Gate Plant Disease 2019. doi:10.1094/pdis-08-19-1602-re

Other claims from this paper (3)

Observation Seventeen accessions resisted all five blast pathotypes with scores at most 3.0.
Observation Twenty-four accessions resisted four blast pathotypes.
Observation Resistant materials are being used in prebreeding.

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Frequency of pearl millet hybrid seedlings with rust resistance increased with each breeding cycle.

Taxon: pearl milletCenchrus americanuse1
Treatment: each cyclee2
Interactor: Puccinia substriata var. indicaPuccinia substriata var. indicae2pathogen
Outcome: Frequency of hybrid seedlings with resistancee2
Direction: increasede2
Value: 18 to 38%e2

Verbatim

e1
“Backcross derivatives of pearl millet Tift 23DB were developed with rust resistance from 18 Burkina Faso landraces”
✓ located verbatim in the source · abstract, characters 296–410

e2
“Frequency of hybrid seedlings with resistance increased with each cycle, and frequencies averaged 18 to 38% in C1 to C4 hybrids, respectively, when inoculated with five single-uredinium isolates of Puccinia substriata var. indica”
✓ located verbatim in the source · abstract, characters 832–1061

Title

Dynamic Multiline Population Approach to Resistance Gene Management

J. P. Wilson; R. N. Gates; M. S. Panwar Phytopathology 2001. doi:10.1094/phyto.2001.91.3.255

Other claims from this paper (10)

Observation Across trials, area under the disease progress curve of TL1 and TL2 averaged 1,307.
Observation Across trials, area under the disease progress curve of C1 and C2 averaged 914.
Observation Across trials, area under the disease progress curve of C3 and C4 averaged 604.
Observation Final rust severity of TL1 and TL2 averaged 67%.
Observation Final rust severity of C1 and C2 averaged 47%.
Observation Final rust severity of C3 and C4 averaged 30%.
Association In regression analysis, AUDPC was reduced 12.2% per breeding cycle.
Association In regression analysis, final rust severity was reduced 13.3% per breeding cycle.
Association In regression analysis, digestible biomass was increased 4.1% per breeding cycle.
Observation Disease-free forage dry matter yields did not differ among pearl millet hybrids.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Natural rust infection occurred on eggplant seedlings in Georgia.

Taxon: EggplantSolanum melongenae0
Material: cv. Santanae0
Interactor: Puccinia substriata var. indicaPuccinia substriata var. indicat0pathogen
Outcome: sporulating aeciae0
Setting: Ty Ty, GAe0

Verbatim

e0
“Eggplant (cv. Santana) seedlings with sporulating aecia were identified in the inventory of a vegetable transplant producer near Ty Ty, GA, on 22 April 1997.”
✓ located verbatim in the source · abstract, characters 387–544

t0
“Puccinia substriata var. indica”
✓ located verbatim in the source · title, characters 33–64

Title

Natural Infection of Eggplant by Puccinia substriata var. indica in the United States

J. P. Wilson; W. Williamson Plant Disease 1997. doi:10.1094/pdis.1997.81.9.1093b

Other claims from this paper (4)

Observation Eggplant seedling disease incidence was approximately 1.5%.
Observation Eggplant lesions occurred mostly on first true leaves and less often on cotyledons.
Intervention effect All pearl millet cultivars without resistance genes became infected after inoculation.
Observation Fourteen isolates infected pearl millet carrying Rr 1.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Eggplant seedling disease incidence was approximately 1.5%.

Taxon: EggplantSolanum melongenae1
Interactor: Puccinia substriata var. indicaPuccinia substriata var. indicat0pathogen
Outcome: Disease incidencee0
Value: approximately 1.5%e0

Verbatim

e0
“Disease incidence was approximately 1.5% in the lot of 10,000 seedlings.”
✓ located verbatim in the source · abstract, characters 681–753

e1
“Eggplant (cv. Santana) seedlings”
✓ located verbatim in the source · abstract, characters 387–419

t0
“Puccinia substriata var. indica”
✓ located verbatim in the source · title, characters 33–64

Title

Natural Infection of Eggplant by Puccinia substriata var. indica in the United States

J. P. Wilson; W. Williamson Plant Disease 1997. doi:10.1094/pdis.1997.81.9.1093b

Other claims from this paper (4)

Observation Natural rust infection occurred on eggplant seedlings in Georgia.
Observation Eggplant lesions occurred mostly on first true leaves and less often on cotyledons.
Intervention effect All pearl millet cultivars without resistance genes became infected after inoculation.
Observation Fourteen isolates infected pearl millet carrying Rr 1.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Eggplant lesions occurred mostly on first true leaves and less often on cotyledons.

Taxon: EggplantSolanum melongenae1
Organ / stage: first true leafe0
Interactor: Puccinia substriata var. indicaPuccinia substriata var. indicat0pathogen
Outcome: Lesionse0

Verbatim

e0
“Lesions were found most frequently on the first true leaf or less frequently on cotyledons.”
✓ located verbatim in the source · abstract, characters 754–845

e1
“Eggplant (cv. Santana) seedlings”
✓ located verbatim in the source · abstract, characters 387–419

t0
“Puccinia substriata var. indica”
✓ located verbatim in the source · title, characters 33–64

Title

Natural Infection of Eggplant by Puccinia substriata var. indica in the United States

J. P. Wilson; W. Williamson Plant Disease 1997. doi:10.1094/pdis.1997.81.9.1093b

Other claims from this paper (4)

Observation Natural rust infection occurred on eggplant seedlings in Georgia.
Observation Eggplant seedling disease incidence was approximately 1.5%.
Intervention effect All pearl millet cultivars without resistance genes became infected after inoculation.
Observation Fourteen isolates infected pearl millet carrying Rr 1.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

All pearl millet cultivars without resistance genes became infected after inoculation.

Taxon: pearl milletCenchrus americanuse1
Material: cultivars with no resistance genese0
Treatment: Aeciosporese2
Interactor: Puccinia substriata var. indicaPuccinia substriata var. indicat0pathogen
Outcome: Infectione0
Direction: obtainede0

Not reportedComparator

Verbatim

e0
“Infection was obtained on all cultivars with no resistance genes, verifying pathogen identification.”
✓ located verbatim in the source · abstract, characters 1075–1175

e1
“pearl millet cultivars with no known resistance”
✓ located verbatim in the source · abstract, characters 991–1038

e2
“Aeciospores from 15 arbitrarily selected leaves were used to inoculate pearl millet seedlings in the greenhouse.”
✓ located verbatim in the source · abstract, characters 846–958

t0
“Puccinia substriata var. indica”
✓ located verbatim in the source · title, characters 33–64

Title

Natural Infection of Eggplant by Puccinia substriata var. indica in the United States

J. P. Wilson; W. Williamson Plant Disease 1997. doi:10.1094/pdis.1997.81.9.1093b

Other claims from this paper (4)

Observation Natural rust infection occurred on eggplant seedlings in Georgia.
Observation Eggplant seedling disease incidence was approximately 1.5%.
Observation Eggplant lesions occurred mostly on first true leaves and less often on cotyledons.
Observation Fourteen isolates infected pearl millet carrying Rr 1.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Fourteen isolates infected pearl millet carrying Rr 1.

Taxon: pearl milletCenchrus americanuse0
Interactor: Puccinia substriata var. indicaPuccinia substriata var. indicat0pathogen
Gene: Rr 1e0
Outcome: infected pearl millet with Rr 1e0
Value: Fourteen isolatese0

Verbatim

e0
“Fourteen isolates infected pearl millet with Rr 1 , revealing that virulence to Rr 1 was common in this sample.”
✓ located verbatim in the source · abstract, characters 1176–1287

t0
“Puccinia substriata var. indica”
✓ located verbatim in the source · title, characters 33–64

Title

Natural Infection of Eggplant by Puccinia substriata var. indica in the United States

J. P. Wilson; W. Williamson Plant Disease 1997. doi:10.1094/pdis.1997.81.9.1093b

Other claims from this paper (4)

Observation Natural rust infection occurred on eggplant seedlings in Georgia.
Observation Eggplant seedling disease incidence was approximately 1.5%.
Observation Eggplant lesions occurred mostly on first true leaves and less often on cotyledons.
Intervention effect All pearl millet cultivars without resistance genes became infected after inoculation.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Eleven races of Puccinia substriata var. indica were identified based on seedling reactions.

Taxon: pearl milletCenchrus americanuse0
Interactor: Puccinia substriata var. indicaPuccinia substriata var. indicae0pathogen
Outcome: racese1
Value: Eleven racese1

Verbatim

e0
“Rust caused by Puccinia substriata var. indica can be very damaging on pearl millet in the southeastern United States”
✓ located verbatim in the source · abstract, characters 0–117

e1
“Eleven races were identified based on seedling reactions”
✓ located verbatim in the source · abstract, characters 408–464

Title

Pathogenic Variation inPuccinia substriatavar.indicain the Southeastern United States and Screening for Resistance in Pearl Millet Germ Plasm

H. Tapsoba Plant Disease 1996. doi:10.1094/pd-80-0395

Other claims from this paper (5)

Observationobservedoriginal resultmeasured

Claim · model-written summary

The reaction of the races on the germ plasm lines ranged from virulence to 15 lines to virulence to all 29 lines.

Taxon: pearl milletCenchrus americanuse0
Material: germ plasm linese3
Interactor: Puccinia substriata var. indicaPuccinia substriata var. indicae0pathogen
Outcome: virulencee3
Qualifier: ranged from virulence to 15 lines to virulence to all 29 linese3

Verbatim

e0
“Rust caused by Puccinia substriata var. indica can be very damaging on pearl millet in the southeastern United States”
✓ located verbatim in the source · abstract, characters 0–117

e3
“The reaction of the races on the germ plasm lines ranged from virulence to 15 lines to virulence to all 29 lines”
✓ located verbatim in the source · abstract, characters 466–578

Title

Pathogenic Variation inPuccinia substriatavar.indicain the Southeastern United States and Screening for Resistance in Pearl Millet Germ Plasm

H. Tapsoba Plant Disease 1996. doi:10.1094/pd-80-0395

Other claims from this paper (5)

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Others of the pearl millet lines were resistant to as many as seven races and are new potential sources of resistance.

Taxon: pearl milletCenchrus americanuse0
Interactor: Puccinia substriata var. indicaPuccinia substriata var. indicae0pathogen
Outcome: resistancee4
Value: as many as seven racese4

Verbatim

e0
“Rust caused by Puccinia substriata var. indica can be very damaging on pearl millet in the southeastern United States”
✓ located verbatim in the source · abstract, characters 0–117

e4
“Although some lines were susceptible to all races, others were resistant to as many as seven races and constitute new potential sources for genetic resistance”
✓ located verbatim in the source · abstract, characters 580–738

Title

Pathogenic Variation inPuccinia substriatavar.indicain the Southeastern United States and Screening for Resistance in Pearl Millet Germ Plasm

H. Tapsoba Plant Disease 1996. doi:10.1094/pd-80-0395

Other claims from this paper (5)

Puccinia substriata var. indica 41 claims

41 claims