Abstract
Rhizobacteria have been shown to be phytotoxic to leafy spurge in laboratory assays. This field study investigated the influence of two strains of Pseudomonas fluorescens [Trevisan, (Migula)], deleterious rhizobacteria (DRB), on root weight, root bud number, and root carbohydrate content of leafy spurge at three sites located in northeast and north-central South Dakota. Soils were inoculated with 2 g of starch-based granules containing no bacteria or starch granules containing 10 8 colony-forming units (cfu)/g of either bacterial strain LS102 (Montana origin) or LS174 (South Dakota origin). Bacterial strains were detected on root samples from treated areas. Root weight and root carbohydrate content were reduced about 20% compared to roots from control plots.
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Claims 2
Claim · model-written summary
Deleterious rhizobacteria reduced leafy spurge root weight and root carbohydrate content by about 20% relative to control plots
- Taxon
- Leafy Spurge
Euphorbia esulat0 - Organ / stage
- rootse1
- Treatment
- starch granules containing 10 8 colony-forming units (cfu)/ge2
- Interactor
- bacterial straine2biocontrol_agent
- Outcome
- Root weight and root carbohydrate contente1
- Direction
- reducede1
- Value
- about 20%e1
- Comparator
- control plotse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Leafy Spurge (Euphorbia esula) Roots”
e1“Root weight and root carbohydrate content were reduced about 20% compared to roots from control plots”
e2“starch granules containing 10 8 colony-forming units (cfu)/g of either bacterial strain”
Claim · model-written summary
Bacterial strains were detected on roots of treated areas
- Taxon
- Leafy SpurgeEuphorbia esulat0
- Organ / stage
- root samplese3
- Interactor
- Bacterial strainse3biocontrol_agent
- Outcome
- Bacterial strains were detectede3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Leafy Spurge (Euphorbia esula) Roots”
e3“Bacterial strains were detected on root samples from treated areas”