Abstract
Summary The effect of glyphosate on weeds was evaluated in greenhouse bioassays with five weed species and compared with a commercial mixture of phenmedipham and ethofumesate. Glyphosate was more active than a mixture of phenmedipham and ethofumesate on the weeds. Solanum nigrum was the most sensitive species to both herbicide treatments. The relative potency of glyphosate between the weeds showed consistency at 50% and 90% control levels for four out of five weed species, which could be ranked independently of control level because of similar response curves. In a field trial on sugarbeet genetically engineered to acquire glyphosate tolerance, a total of 720 g a.i. ha −1 of glyphosate applied in one, two or three applications gave similar or superior control of weeds to a total of 3.17 kg a.i. ha −1 mixture of metamitron, phenmedipham and ethofumesate applied in three repeated applications.
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Claims 4
Claim · model-written summary
In greenhouse bioassays, glyphosate was more active on five weed species than a mixture of phenmedipham and ethofumesate.
Verbatim
e0“greenhouse bioassays”
e1“Glyphosate was more active than a mixture of phenmedipham and ethofumesate on the weeds”
Claim · model-written summary
Solanum nigrum was the most sensitive weed species to both herbicide treatments.
- Taxon
- Solanum nigrum
_Solanum_nigrum_3.jpg?width=60)
Solanum nigrume0 - Outcome
- most sensitive speciese0
- Qualifier
- both herbicide treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_Solanum_nigrum_3.jpg?width=500)
Verbatim
e0“Solanum nigrum was the most sensitive species to both herbicide treatments”
Claim · model-written summary
The relative potency of glyphosate between weeds was consistent at 50% and 90% control levels for four of five weed species.
Verbatim
e0“The relative potency of glyphosate between the weeds showed consistency at 50% and 90% control levels for four out of five weed species”
Claim · model-written summary
In a field trial on glyphosate-tolerant sugarbeet, 720 g a.i. ha-1 of glyphosate in one to three applications gave similar or superior weed control compared with 3.17 kg a.i. ha-1 of a metamitron, phenmedipham and ethofumesate mixture in three applications.
- Taxon
- sugarbeet
Beta vulgaris subsp. vulgarise0 - Treatment
- 720 g a.i. ha −1 of glyphosate applied in one, two or three applicationse0
- Interactor
- weedse0weed
- Outcome
- control of weedse0
- Direction
- similar or superiore0
- Comparator
- 3.17 kg a.i. ha −1 mixture of metamitron, phenmedipham and ethofumesate applied in three repeated applicationse0
- Setting
- field triale0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In a field trial on sugarbeet genetically engineered to acquire glyphosate tolerance, a total of 720 g a.i. ha −1 of glyphosate applied in one, two or three applications gave similar or superior control of weeds to a total of 3.17 kg a.i. ha −1 mixture of metamitron, phenmedipham and ethofumesate applied in three repeated applications”
The same questions in other papers
glyphosate · weed · Beta vulgaris (beet)Positive and negative results
8 papers in the same direction as this paper · 1 reporting no difference from an alternative
- positive
- no effect
- positive
6 papers more in this group
See all 10 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.