Claim · model-written summary
Velvetleaf to soybean ratio was lower at 1000 ppm than 350 ppm.
- Taxon
- soybean
Glycine maxe0 - Treatment
- 1000 ppm CO 2e0
- Interactor
- velvetleaf
Abutilon theophrastie0weed - Outcome
- weed/crop ratio for velvetleaf/soybeane0
- Direction
- lesse0
Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.


Verbatim
e0“the weed/crop ratio for velvetleaf/soybean was greater at 600 ppm and less at 1000 ppm CO 2”
Title
D. T. Patterson; E. P. Flint Weed Science 1980. doi:10.1017/s0043174500027806
Other claims from this paper (13)
- Intervention effect Elevated CO2 significantly increased soybean dry matter production.
- Intervention effect Elevated CO2 significantly increased velvetleaf dry matter production.
- Intervention effect Corn dry matter production was lowest at 1000 ppm CO2.
- Intervention effect Corn dry matter production did not differ at 350 and 600 ppm.
- Intervention effect Itchgrass dry matter production was greatest at 600 ppm.
- Intervention effect Itchgrass dry matter production did not differ between 350 and 1000 ppm.
- Intervention effect Increasing CO2 increased soybean net assimilation rate.
- Intervention effect Increasing CO2 increased velvetleaf net assimilation rate.
- Intervention effect Increasing CO2 decreased or did not change corn and itchgrass NAR.
- Intervention effect Velvetleaf to corn dry matter ratio was greater at 600 and 1000 ppm.
- Intervention effect Itchgrass to corn dry matter ratio was greater at 600 and 1000 ppm.
- Intervention effect Itchgrass to soybean ratio was lower at 1000 ppm than 350 or 600 ppm.
- Intervention effect Velvetleaf to soybean ratio was greater at 600 ppm than 350 ppm.