Abstract
Trifluralin (2, 6 dinitrc-N N-dipropyl-4-trifluoro-methylaniline) severely retarded the secondary root development of seedling cotton at very low concentrations in water, sand, and soil culture in the glass house. Although retarded, the seedlings survived at concentrations of 5.0 p.p.m., the highest rate used. In water culture length of secondary roots was reduced at 0.01 p.p.m. In sand culture a concentration of 0.125 p.p.m. significantly reduced the root weight, but in clay-loam soil a concentration of 0.25 p.p.m. was needed to produce the same degree of reduced secondary root growth. No statistically significant retardation in total root growth was obtained when the cotton roots were able to grow in an untreated layer of sand or clay-loam soil, when the trifluralin treated layer was placed either above or below the untreated layer.
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Claims 6
Claim · model-written summary
Trifluralin severely retarded secondary root development in cotton seedlings across water, sand and soil culture.
- Taxon
- cotton
Gossypium hirsutume0 - Treatment
- Trifluraline0
- Outcome
- secondary root developmente0
- Direction
- retardede0
- Setting
- glass housee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Trifluralin (2, 6 dinitrc-N N-dipropyl-4-trifluoro-methylaniline) severely retarded the secondary root development of seedling cotton at very low concentrations in water, sand, and soil culture in the glass house.”
Claim · model-written summary
Cotton seedlings survived trifluralin at 5.0 p.p.m.
- Taxon
- cottonGossypium hirsutumt0
- Outcome
- seedlings survivede0
- Value
- 5.0 p.p.m.e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the seedlings survived at concentrations of 5.0 p.p.m., the highest rate used.”
t0“cotton”
Claim · model-written summary
In water culture, trifluralin reduced secondary root length at 0.01 p.p.m.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- 0.01 p.p.m.e0
- Outcome
- length of secondary rootse0
- Direction
- reducede0
- Setting
- water culturee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In water culture length of secondary roots was reduced at 0.01 p.p.m.”
t0“cotton”
Claim · model-written summary
In sand culture, trifluralin significantly reduced root weight at 0.125 p.p.m.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- 0.125 p.p.m.e0
- Outcome
- root weighte0
- Direction
- reducede0
- Setting
- sand culturee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In sand culture a concentration of 0.125 p.p.m. significantly reduced the root weight”
t0“cotton”
Claim · model-written summary
In clay-loam soil, 0.25 p.p.m. trifluralin reduced secondary root growth.
- Taxon
- cottonGossypium hirsutumt0
- Treatment
- 0.25 p.p.m.e0
- Outcome
- secondary root growthe0
- Direction
- reducede0
- Setting
- clay-loam soile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in clay-loam soil a concentration of 0.25 p.p.m. was needed to produce the same degree of reduced secondary root growth.”
t0“cotton”
Claim · model-written summary
A trifluralin-treated layer above untreated substrate did not significantly retard total cotton root growth.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- trifluralin treated layere0
- Outcome
- total root growthe0
- Direction
- retardatione0
- Comparator
- untreated layere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No statistically significant retardation in total root growth was obtained when the cotton roots were able to grow in an untreated layer of sand or clay-loam soil, when the trifluralin treated layer was placed either above or below the untreated layer.”
The same questions in other papers
trifluralin · growth · Gossypium hirsutum (cotton)Positive and negative results
7 papers in the same direction as this paper · 1 in the opposite direction
- positive
- no effect
- no effect
5 papers more in this group
See all 9 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.