Abstract
Symbiotic nodulation of the primary roots of soybeans ( Glycine max L. Merrill cv. Pride 216) is regulated by the plant, and is suppressed in response to a high inoculum dose of Bradyrhizobium japonicum USDA strain I–110 (ARS) + applied at one time to the root. If an optimal dose is followed 10 h later by a superoptimal dose, nodules from the first inoculum near the base of the primary root are suppressed in a dose‐dependent way similar to that observed after single inoculations. The nodules which appear are probably derived from infections initiated by the bacteria in both inocula.
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Claims 3
Claim · model-written summary
A high single inoculum dose suppresses soybean primary-root nodulation.
- Taxon
- soybeans
Glycine maxe0 - Material
- Pride 216e0
- Organ / stage
- primary rootse0
- Treatment
- a high inoculum dose of Bradyrhizobium japonicum USDA strain I–110 (ARS) +e0
- Interactor
- Bradyrhizobium japonicum USDA strain I–110 (ARS) +
Bradyrhizobium japonicume0symbiont - Outcome
- Symbiotic nodulatione0
- Direction
- suppressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Symbiotic nodulation of the primary roots of soybeans ( Glycine max L. Merrill cv. Pride 216) is regulated by the plant, and is suppressed in response to a high inoculum dose of Bradyrhizobium japonicum USDA strain I–110 (ARS) + applied at one time to the root.”
Claim · model-written summary
A superoptimal second dose 10 h after an optimal dose suppresses nodules from the first inoculum near the soybean primary-root base in a dose-dependent manner.
- Taxon
- soybeansGlycine maxt0
- Treatment
- a superoptimal dosee0
- Interactor
- Bradyrhizobium japonicumBradyrhizobium japonicumt0symbiont
- Outcome
- nodules from the first inoculume0
- Direction
- suppressede0
- Qualifier
- 10 h latere0
- Comparator
- single inoculationse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“If an optimal dose is followed 10 h later by a superoptimal dose, nodules from the first inoculum near the base of the primary root are suppressed in a dose‐dependent way similar to that observed after single inoculations.”
t0“soybeans by superoptimal inoculation with Bradyrhizobium japonicum”
Claim · model-written summary
The remaining soybean nodules probably arise from infections by bacteria in both inocula.
- Taxon
- soybeansGlycine maxt0
- Interactor
- Bradyrhizobium japonicumBradyrhizobium japonicumt0symbiont
- Outcome
- nodules which appeare0
- Qualifier
- probably derived from infections initiated by the bacteria in both inoculae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The nodules which appear are probably derived from infections initiated by the bacteria in both inocula.”
t0“soybeans by superoptimal inoculation with Bradyrhizobium japonicum”
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See all 310 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.