Abstract
The aim of investigations was to evaluate the influence of herbicides and adjuvant application on residues in soil and plant material. Field experiments were carried out during 2003-2005 on arable field localized in South-West Poland. Herbicidal preparation to control weeds in sugar beet (containing phenmedipham, desmedipham and ethofumesate), was applied at recommended dose, reduced dose and at reduced dose in mixture with three different adjuvants (mineral oil, plant oil and surfactant). Samples of soil and roots of sugar beet were taken on the day at sugar beet lifting. Herbicide residues in all samples were determined using high performance liquid chromatography with UV-detection. The highest concentration of herbicide active substances were determined in samples from field plots, where herbicidal preparation was applied at full (recommended) dose. Reduction of herbicide dose caused a decrease of residues. The addition of adjuvants caused an increase of the herbicide active substance residue in the soil and roots of sugar beet comparing plots with a reduced dose of preparation without adjuvants added. Residues of active substances determined in roots of sugar beet did not exceed EU acceptable limits.
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Claims 4
Claim · model-written summary
Full recommended herbicide dose gave the highest active substance residue concentrations.
- Treatment
- full (recommended) dosee0
- Outcome
- concentration of herbicide active substancese0
- Direction
- higheste0
Not reportedTaxonComparator
Verbatim
e0“The highest concentration of herbicide active substances were determined in samples from field plots, where herbicidal preparation was applied at full (recommended) dose.”
Claim · model-written summary
Reducing the herbicide dose decreased residues.
Not reportedTaxonComparator
Verbatim
e0“Reduction of herbicide dose caused a decrease of residues.”
Claim · model-written summary
Adjuvants increased herbicide residue in sugar beet roots relative to reduced dose without adjuvants.
- Taxon
- sugar beet
Beta vulgaris subsp. vulgarise0 - Organ / stage
- rootse0
- Treatment
- addition of adjuvantse0
- Outcome
- herbicide active substance residue in the soil and roots of sugar beete0
- Direction
- increasee0
- Comparator
- reduced dose of preparation without adjuvants addede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The addition of adjuvants caused an increase of the herbicide active substance residue in the soil and roots of sugar beet comparing plots with a reduced dose of preparation without adjuvants added.”
Claim · model-written summary
Sugar beet root residues did not exceed EU acceptable limits.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise0
- Organ / stage
- rootse0
- Outcome
- Residues of active substances determined in roots of sugar beete0
- Qualifier
- EU acceptable limitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Residues of active substances determined in roots of sugar beet did not exceed EU acceptable limits.”
The same questions in other papers
adjuvant · molecular: metabolites · Beta vulgaris (beet)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- positive
- no effect
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.