Abstract
Cotton ( Gossypium hirsutum L.) was grown at two locations in Alabama during 1966 to 1969 with specific densities of sicklepod ( Cassia obtusifolia L.) and tall morningglory ( Ipomoea purpurea L. Roth). Competition from sicklepod and tall morningglory caused cotton yield reductions at densities as low as eight weeds per 7.31 m of row. Tall morningglory was usually more competitive than sicklepod in cotton. Both species were more competitive on Lucedale sandy clay loam than on Norfolk sandy loam. Sicklepod at eight weeds per 7.31 m of row reduced yields from 10 to 23% on the Norfolk soil and approximately 40% on the Lucedale soil. At the highest density, 48 sicklepod plants per 7.31 m of row, yields were reduced 45 to 65% on the Norfolk soil and approximately 80% on the Lucedale soil. Tall morningglory at a density of eight weeds per 7.31 m of row reduced cotton yields 10 to 40% on the Norfolk soil and 50 to 75% on the Lucedale soil. Vegetative growth, boll, and seed size were not affected as much as cotton yields by competition. Percentage lint and lint fiber properties were unaffected by competition.
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Claims 13
Claim · model-written summary
Competition from sicklepod caused cotton yield reductions at densities as low as eight weeds per 7.31 m of row.
- Taxon
- Cotton
Gossypium hirsutume0 - Treatment
- Competition from sicklepode1
- Interactor
- sicklepode1weed
- Outcome
- cotton yielde1
- Direction
- reductionse1
- Qualifier
- at densities as low as eight weeds per 7.31 m of rowe1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cotton ( Gossypium hirsutum L.) was grown at two locations in Alabama during 1966 to 1969 with specific densities of sicklepod ( Cassia obtusifolia L.) and tall morningglory ( Ipomoea purpurea L. Roth)”
e1“Competition from sicklepod and tall morningglory caused cotton yield reductions at densities as low as eight weeds per 7.31 m of row”
Claim · model-written summary
Competition from tall morningglory caused cotton yield reductions at densities as low as eight weeds per 7.31 m of row.
- Taxon
- CottonGossypium hirsutume0
- Treatment
- tall morningglorye1
- Interactor
- tall morningglorye1weed
- Outcome
- cotton yielde1
- Direction
- reductionse1
- Qualifier
- at densities as low as eight weeds per 7.31 m of rowe1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cotton ( Gossypium hirsutum L.) was grown at two locations in Alabama during 1966 to 1969 with specific densities of sicklepod ( Cassia obtusifolia L.) and tall morningglory ( Ipomoea purpurea L. Roth)”
e1“Competition from sicklepod and tall morningglory caused cotton yield reductions at densities as low as eight weeds per 7.31 m of row”
Claim · model-written summary
Tall morningglory was usually more competitive than sicklepod in cotton.
- Taxon
- CottonGossypium hirsutume0
- Interactor
- tall morningglorye2weed
- Second interactor
- sicklepode2weed
- Outcome
- competitivee2
- Direction
- more competitivee2
- Qualifier
- usuallye2
- Comparator
- sicklepode2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cotton ( Gossypium hirsutum L.) was grown at two locations in Alabama during 1966 to 1969 with specific densities of sicklepod ( Cassia obtusifolia L.) and tall morningglory ( Ipomoea purpurea L. Roth)”
e2“Tall morningglory was usually more competitive than sicklepod in cotton”
Claim · model-written summary
Sicklepod was more competitive in cotton on Lucedale sandy clay loam than on Norfolk sandy loam.
- Taxon
- CottonGossypium hirsutume0
- Interactor
- sicklepode0weed
- Outcome
- competitivee3
- Direction
- more competitivee3
- Comparator
- Norfolk sandy loame3
- Setting
- Lucedale sandy clay loame3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cotton ( Gossypium hirsutum L.) was grown at two locations in Alabama during 1966 to 1969 with specific densities of sicklepod ( Cassia obtusifolia L.) and tall morningglory ( Ipomoea purpurea L. Roth)”
e3“Both species were more competitive on Lucedale sandy clay loam than on Norfolk sandy loam”
Claim · model-written summary
Tall morningglory was more competitive in cotton on Lucedale sandy clay loam than on Norfolk sandy loam.
- Taxon
- CottonGossypium hirsutume0
- Interactor
- tall morningglorye0weed
- Outcome
- competitivee3
- Direction
- more competitivee3
- Comparator
- Norfolk sandy loame3
- Setting
- Lucedale sandy clay loame3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cotton ( Gossypium hirsutum L.) was grown at two locations in Alabama during 1966 to 1969 with specific densities of sicklepod ( Cassia obtusifolia L.) and tall morningglory ( Ipomoea purpurea L. Roth)”
e3“Both species were more competitive on Lucedale sandy clay loam than on Norfolk sandy loam”
Claim · model-written summary
Sicklepod at eight weeds per 7.31 m of row reduced cotton yields by 10 to 23% on the Norfolk soil.
- Taxon
- CottonGossypium hirsutume0
- Treatment
- Sicklepod at eight weeds per 7.31 m of rowe4
- Interactor
- Sicklepode4weed
- Outcome
- yieldse4
- Direction
- reducede4
- Value
- 10 to 23%e4
- Setting
- Norfolk soile4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cotton ( Gossypium hirsutum L.) was grown at two locations in Alabama during 1966 to 1969 with specific densities of sicklepod ( Cassia obtusifolia L.) and tall morningglory ( Ipomoea purpurea L. Roth)”
e4“Sicklepod at eight weeds per 7.31 m of row reduced yields from 10 to 23% on the Norfolk soil and approximately 40% on the Lucedale soil”
Claim · model-written summary
Sicklepod at eight weeds per 7.31 m of row reduced cotton yields by approximately 40% on the Lucedale soil.
- Taxon
- CottonGossypium hirsutume0
- Treatment
- Sicklepod at eight weeds per 7.31 m of rowe4
- Interactor
- Sicklepode4weed
- Outcome
- yieldse4
- Direction
- reducede4
- Value
- approximately 40%e4
- Setting
- Lucedale soile4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cotton ( Gossypium hirsutum L.) was grown at two locations in Alabama during 1966 to 1969 with specific densities of sicklepod ( Cassia obtusifolia L.) and tall morningglory ( Ipomoea purpurea L. Roth)”
e4“Sicklepod at eight weeds per 7.31 m of row reduced yields from 10 to 23% on the Norfolk soil and approximately 40% on the Lucedale soil”
Claim · model-written summary
At the highest sicklepod density, 48 plants per 7.31 m of row, cotton yields were reduced by 45 to 65% on the Norfolk soil.
- Taxon
- CottonGossypium hirsutume0
- Treatment
- 48 sicklepod plants per 7.31 m of rowe5
- Interactor
- sicklepode5weed
- Outcome
- yieldse5
- Direction
- reducede5
- Value
- 45 to 65%e5
- Qualifier
- At the highest densitye5
- Setting
- Norfolk soile5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cotton ( Gossypium hirsutum L.) was grown at two locations in Alabama during 1966 to 1969 with specific densities of sicklepod ( Cassia obtusifolia L.) and tall morningglory ( Ipomoea purpurea L. Roth)”
e5“At the highest density, 48 sicklepod plants per 7.31 m of row, yields were reduced 45 to 65% on the Norfolk soil and approximately 80% on the Lucedale soil”
Claim · model-written summary
At the highest sicklepod density, 48 plants per 7.31 m of row, cotton yields were reduced by approximately 80% on the Lucedale soil.
- Taxon
- CottonGossypium hirsutume0
- Treatment
- 48 sicklepod plants per 7.31 m of rowe5
- Interactor
- sicklepode5weed
- Outcome
- yieldse5
- Direction
- reducede5
- Value
- approximately 80%e5
- Qualifier
- At the highest densitye5
- Setting
- Lucedale soile5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cotton ( Gossypium hirsutum L.) was grown at two locations in Alabama during 1966 to 1969 with specific densities of sicklepod ( Cassia obtusifolia L.) and tall morningglory ( Ipomoea purpurea L. Roth)”
e5“At the highest density, 48 sicklepod plants per 7.31 m of row, yields were reduced 45 to 65% on the Norfolk soil and approximately 80% on the Lucedale soil”
Claim · model-written summary
Tall morningglory at eight weeds per 7.31 m of row reduced cotton yields by 10 to 40% on the Norfolk soil.
- Taxon
- cottonGossypium hirsutume6
- Treatment
- Tall morningglory at a density of eight weeds per 7.31 m of rowe6
- Interactor
- Tall morningglorye6weed
- Outcome
- cotton yieldse6
- Direction
- reducede6
- Value
- 10 to 40%e6
- Setting
- Norfolk soile6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“Tall morningglory at a density of eight weeds per 7.31 m of row reduced cotton yields 10 to 40% on the Norfolk soil and 50 to 75% on the Lucedale soil”
Claim · model-written summary
Tall morningglory at eight weeds per 7.31 m of row reduced cotton yields by 50 to 75% on the Lucedale soil.
- Taxon
- cottonGossypium hirsutume6
- Treatment
- Tall morningglory at a density of eight weeds per 7.31 m of rowe6
- Interactor
- Tall morningglorye6weed
- Outcome
- cotton yieldse6
- Direction
- reducede6
- Value
- 50 to 75%e6
- Setting
- Lucedale soile6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“Tall morningglory at a density of eight weeds per 7.31 m of row reduced cotton yields 10 to 40% on the Norfolk soil and 50 to 75% on the Lucedale soil”
Claim · model-written summary
Vegetative growth, boll and seed size of cotton were affected less by competition than cotton yields.
- Taxon
- cottonGossypium hirsutume7
- Treatment
- competitione7
- Outcome
- Vegetative growth, boll, and seed sizee7
- Direction
- not affected as muche7
- Comparator
- cotton yieldse7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“Vegetative growth, boll, and seed size were not affected as much as cotton yields by competition”
Claim · model-written summary
Percentage lint and lint fiber properties of cotton were not changed by competition.
- Taxon
- CottonGossypium hirsutume0
- Treatment
- competitione6
- Outcome
- Percentage lint and lint fiber propertiese6
- Direction
- no_changeinferrede6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cotton ( Gossypium hirsutum L.) was grown at two locations in Alabama during 1966 to 1969 with specific densities of sicklepod ( Cassia obtusifolia L.) and tall morningglory ( Ipomoea purpurea L. Roth)”
e6“Percentage lint and lint fiber properties were unaffected by competition”
The same questions in other papers
competition · yield · Gossypium hirsutum (cotton)Results differ
13 papers in the same direction as this paper · 2 in the opposite direction
- negative
- negative
- positive
12 papers more in this group
See all 16 papers →competition · quality: grain · Gossypium hirsutum (cotton)Results agree
4 papers in the same direction as this paper
- no effect
- no effect
- negative
1 paper more in this group
See all 5 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.