Abstract
Aphanomyces euteiches is an important root-rotting pathogen of pea. When recovering isolates of A. euteiches from infested soils in Wisconsin using pea as a bait host, isolates of Fusarium solani often were recovered. Experiments were established to compare disease symptoms of pea seedlings inoculated with isolates of A. euteiches and F. solani alone or in combination. Inoculation of pea seedlings with either of two isolates of A. euteiches produced typical root rot symptoms. However, inoculation of pea seedlings with an isolate of F. solani resulted in no disease symptoms, indicating that the isolate was nonpathogenic to pea. Co-inoculation of pea seedlings with A. euteiches and the nonpathogenic isolate of F. solani resulted in significantly (P = 0.05) greater disease severity than inoculation with A. euteiches alone. Both A. euteiches and F. solani could be reisolated, individually or together, from pea seedlings following individual or co-inoculations, respectively. Although the mechanisms of interaction between these two species are unknown, the synergism documented in this study indicates that the interactions of pathogens with nonpathogens may affect development of disease symptoms.
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Claims 4
Claim · model-written summary
A. euteiches inoculation produced typical root rot symptoms in pea seedlings.
- Taxon
- pea
Lathyrus oleraceuse0 - Treatment
- either of two isolates of A. euteichese0
- Interactor
- A. euteichesAphanomyces euteichese0pathogen
- Outcome
- typical root rot symptomse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Inoculation of pea seedlings with either of two isolates of A. euteiches produced typical root rot symptoms”
Claim · model-written summary
F. solani inoculation produced no disease symptoms in pea seedlings.
- Taxon
- peaLathyrus oleraceuse0
- Treatment
- an isolate of F. solanie0
- Interactor
- F. solani
_Sacc._5393379.jpg?width=60)
Fusarium solanie0other - Outcome
- no disease symptomse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Sacc._5393379.jpg?width=500)
Verbatim
e0“inoculation of pea seedlings with an isolate of F. solani resulted in no disease symptoms”
Claim · model-written summary
Co-inoculation significantly increased disease severity relative to A. euteiches alone.
- Taxon
- peaLathyrus oleraceuse0
- Treatment
- Co-inoculation of pea seedlings with A. euteiches and the nonpathogenic isolate of F. solanie0
- Interactor
- A. euteichesAphanomyces euteichese0pathogen
- Second interactor
- F. solaniFusarium solanie0other
- Outcome
- disease severitye0
- Direction
- greatere0
- Comparator
- inoculation with A. euteiches alonee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Co-inoculation of pea seedlings with A. euteiches and the nonpathogenic isolate of F. solani resulted in significantly (P = 0.05) greater disease severity than inoculation with A. euteiches alone”
Claim · model-written summary
Both fungi were reisolated from pea seedlings after their respective inoculations.
- Taxon
- peaLathyrus oleraceuse0
- Interactor
- A. euteichesAphanomyces euteichese0pathogen
- Second interactor
- F. solaniFusarium solanie0other
- Outcome
- could be reisolated, individually or togethere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both A. euteiches and F. solani could be reisolated, individually or together, from pea seedlings following individual or co-inoculations, respectively”
The same questions in other papers
Aphanomyces euteiches · disease · Lathyrus oleraceus (pea)Positive and negative results
1 in the opposite direction
- positive
Fusarium solani · disease · Lathyrus oleraceus (pea)Results agree
1 paper in the same direction as this paper
- positive
inoculation · disease · Lathyrus oleraceus (pea)Positive and negative results
23 papers in the same direction as this paper · 18 in the opposite direction
- positive
- positive
- positive
38 papers more in this group
See all 42 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.