Abstract
A competition experiment was carried out in a greenhouse with Schizachyrium scoparium (Michx.) Nash (little bluestem) and seedlings of Prosopis glandulosa Torr. (honey mesquite). The effect of S. scoparium density on the growth of P. glandulosa and the effect of a single P. glandulosa seedling on the growth of various densities of S. scoparium were examined. When P. glandulosa was grown with S. scoparium, there was a significant decrease in P. glandulosa above-, belowground, and total dry weight at all S. scoparium densities tested. In contrast, P. glandulosa did not cause a significant reduction in S. scoparium dry weight. Root: shoot ratios for both P. glandulosa and S. scoparium increased almost three times from lowest to highest grass density. The number and length of flowering stalks of S. scoparium per plant decreased with increasing density. The presence of P. glandulosa caused a slight nonsignificant reduction of the number and length of S. scoparium flowering stalks. Establishment of P. glandulosa and other woody legumes would probably be low in high glass density and highly productive grasslands.
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Claims 7
Claim · model-written summary
Grass competition significantly reduced mesquite dry weight.
- Taxon
- P. glandulosa
Neltuma glandulosae0 - Treatment
- grown with S. scopariume0
- Interactor
- S. scoparium
Schizachyrium scopariume0other - Outcome
- P. glandulosa above-, belowground, and total dry weighte0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When P. glandulosa was grown with S. scoparium, there was a significant decrease in P. glandulosa above-, belowground, and total dry weight at all S. scoparium densities tested.”
Claim · model-written summary
Mesquite did not significantly reduce grass dry weight.
- Taxon
- S. scopariumSchizachyrium scopariume0
- Treatment
- P. glandulosae0
- Interactor
- P. glandulosaNeltuma glandulosae0other
- Outcome
- S. scoparium dry weighte0
- Direction
- did not cause a significant reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“P. glandulosa did not cause a significant reduction in S. scoparium dry weight.”
Claim · model-written summary
Mesquite root-to-shoot ratio rose nearly threefold with grass density.
- Taxon
- P. glandulosaNeltuma glandulosae0
- Treatment
- grass densitye0
- Outcome
- Root: shoot ratiose0
- Direction
- increasede0
- Value
- almost three timese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Root: shoot ratios for both P. glandulosa and S. scoparium increased almost three times from lowest to highest grass density.”
Claim · model-written summary
Grass root-to-shoot ratio rose nearly threefold with grass density.
- Taxon
- S. scopariumSchizachyrium scopariume0
- Treatment
- grass densitye0
- Outcome
- Root: shoot ratiose0
- Direction
- increasede0
- Value
- almost three timese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Root: shoot ratios for both P. glandulosa and S. scoparium increased almost three times from lowest to highest grass density.”
Claim · model-written summary
Grass flowering stalk number and length declined with density.
- Taxon
- S. scopariumSchizachyrium scopariume0
- Treatment
- increasing densitye0
- Outcome
- number and length of flowering stalkse0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The number and length of flowering stalks of S. scoparium per plant decreased with increasing density.”
Claim · model-written summary
Mesquite caused a slight nonsignificant reduction in grass flowering stalks.
- Taxon
- S. scopariumSchizachyrium scopariume0
- Treatment
- presence of P. glandulosae0
- Interactor
- P. glandulosaNeltuma glandulosae0other
- Outcome
- number and length of S. scoparium flowering stalkse0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The presence of P. glandulosa caused a slight nonsignificant reduction of the number and length of S. scoparium flowering stalks.”
Claim · model-written summary
The authors predict low mesquite establishment in dense productive grasslands.
- Taxon
- P. glandulosaNeltuma glandulosae0
- Outcome
- Establishment of P. glandulosae0
- Direction
- lowe0
- Qualifier
- high glass density and highly productive grasslandse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Establishment of P. glandulosa and other woody legumes would probably be low in high glass density and highly productive grasslands.”
The same questions in other papers
Schizachyrium scoparium · growth · Neltuma glandulosa (honey mesquite)Results agree
1 paper in the same direction as this paper
- negative
Neltuma glandulosa · growth · Schizachyrium scopariumResults agree
1 paper in the same direction as this paper
- 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.