Abstract
Growth chamber studies using one soil investigated the effects of trifluralin (α,α,α-trifluoro-2,6-dinitro- N,N -dipropyl- p -toluidine) at 0.0, 0.4, and 0.8 ppmw on the root development and the mineral status of wheat ( Triticum aestivum L. ‘Neepawa’) seedlings. The 0.8-ppmw trifluralin rate increased the number of seminal roots, reduced lateral root production, decreased root extension, caused root tips to swell (club-like appearance), and reduced root dry weights. However, 0.4-ppmw trifluralin caused only slight damage to the seedlings. Towards the end of the two-week growth period, damaged seedlings showed signs of recovery, which included an increased number of seminal roots, development of normal root extensions from clubbed root tips, and development of normal lateral root patterns. Trifluralin increased percent calcium and magnesium and decreased percent nitrogen, phosphorus, and potassium in wheat plants. The nutrient concentrations were more affected in 21-day-old plants than in 35-day-old plants, indicating the wheat seedlings were able to recover from trifluralin injury.
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Claims 14
Claim · model-written summary
The 0.8-ppmw trifluralin rate increased the number of seminal roots of wheat seedlings.
- Taxon
- wheat
Triticum aestivume1 - Material
- Neepawae1
- Treatment
- 0.8-ppmw trifluraline2
- Outcome
- number of seminal rootse2
- Direction
- increasede2
- Setting
- Growth chambere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growth chamber studies using one soil”
e1“wheat ( Triticum aestivum L. ‘Neepawa’) seedlings”
e2“The 0.8-ppmw trifluralin rate increased the number of seminal roots, reduced lateral root production, decreased root extension, caused root tips to swell (club-like appearance), and reduced root dry weights”
Claim · model-written summary
The 0.8-ppmw trifluralin rate reduced lateral root production in wheat seedlings.
- Taxon
- wheatTriticum aestivume1
- Material
- Neepawae1
- Treatment
- 0.8-ppmw trifluraline2
- Outcome
- lateral root productione2
- Direction
- reducede2
- Setting
- Growth chambere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growth chamber studies using one soil”
e1“wheat ( Triticum aestivum L. ‘Neepawa’) seedlings”
e2“The 0.8-ppmw trifluralin rate increased the number of seminal roots, reduced lateral root production, decreased root extension, caused root tips to swell (club-like appearance), and reduced root dry weights”
Claim · model-written summary
The 0.8-ppmw trifluralin rate decreased root extension of wheat seedlings.
- Taxon
- wheatTriticum aestivume1
- Material
- Neepawae1
- Treatment
- 0.8-ppmw trifluraline2
- Outcome
- root extensione2
- Direction
- decreasede2
- Setting
- Growth chambere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growth chamber studies using one soil”
e1“wheat ( Triticum aestivum L. ‘Neepawa’) seedlings”
e2“The 0.8-ppmw trifluralin rate increased the number of seminal roots, reduced lateral root production, decreased root extension, caused root tips to swell (club-like appearance), and reduced root dry weights”
Claim · model-written summary
The 0.8-ppmw trifluralin rate caused root tips to swell (club-like appearance) in wheat seedlings.
- Taxon
- wheatTriticum aestivume1
- Material
- Neepawae1
- Treatment
- 0.8-ppmw trifluraline2
- Outcome
- root tips to swelle2
- Qualifier
- club-like appearancee2
- Setting
- Growth chambere0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growth chamber studies using one soil”
e1“wheat ( Triticum aestivum L. ‘Neepawa’) seedlings”
e2“The 0.8-ppmw trifluralin rate increased the number of seminal roots, reduced lateral root production, decreased root extension, caused root tips to swell (club-like appearance), and reduced root dry weights”
Claim · model-written summary
The 0.8-ppmw trifluralin rate reduced root dry weights of wheat seedlings.
- Taxon
- wheatTriticum aestivume1
- Material
- Neepawae1
- Treatment
- 0.8-ppmw trifluraline2
- Outcome
- root dry weightse2
- Direction
- reducede2
- Setting
- Growth chambere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growth chamber studies using one soil”
e1“wheat ( Triticum aestivum L. ‘Neepawa’) seedlings”
e2“The 0.8-ppmw trifluralin rate increased the number of seminal roots, reduced lateral root production, decreased root extension, caused root tips to swell (club-like appearance), and reduced root dry weights”
Claim · model-written summary
The 0.4-ppmw trifluralin rate caused only slight damage to wheat seedlings.
- Taxon
- wheatTriticum aestivume1
- Material
- Neepawae1
- Treatment
- 0.4-ppmw trifluraline3
- Outcome
- damage to the seedlingse3
- Qualifier
- only slighte3
- Setting
- Growth chambere0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Growth chamber studies using one soil”
e1“wheat ( Triticum aestivum L. ‘Neepawa’) seedlings”
e3“However, 0.4-ppmw trifluralin caused only slight damage to the seedlings”
Claim · model-written summary
Trifluralin-damaged wheat seedlings showed signs of recovery towards the end of the two-week growth period.
- Taxon
- wheatTriticum aestivume1
- Outcome
- signs of recoverye4
- Qualifier
- Towards the end of the two-week growth periode4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“wheat ( Triticum aestivum L. ‘Neepawa’) seedlings”
e4“Towards the end of the two-week growth period, damaged seedlings showed signs of recovery, which included an increased number of seminal roots, development of normal root extensions from clubbed root tips, and development of normal lateral root patterns”
Claim · model-written summary
Recovering wheat seedlings showed an increased number of seminal roots towards the end of the two-week growth period.
- Taxon
- wheatTriticum aestivume1
- Outcome
- number of seminal rootse4
- Qualifier
- Towards the end of the two-week growth periode4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“wheat ( Triticum aestivum L. ‘Neepawa’) seedlings”
e4“Towards the end of the two-week growth period, damaged seedlings showed signs of recovery, which included an increased number of seminal roots, development of normal root extensions from clubbed root tips, and development of normal lateral root patterns”
Claim · model-written summary
Recovering wheat seedlings developed normal root extensions from clubbed root tips.
- Taxon
- wheatTriticum aestivume1
- Outcome
- normal root extensionse4
- Qualifier
- from clubbed root tipse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“wheat ( Triticum aestivum L. ‘Neepawa’) seedlings”
e4“Towards the end of the two-week growth period, damaged seedlings showed signs of recovery, which included an increased number of seminal roots, development of normal root extensions from clubbed root tips, and development of normal lateral root patterns”
Claim · model-written summary
Recovering wheat seedlings developed normal lateral root patterns.
- Taxon
- wheatTriticum aestivume1
- Outcome
- normal lateral root patternse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“wheat ( Triticum aestivum L. ‘Neepawa’) seedlings”
e4“Towards the end of the two-week growth period, damaged seedlings showed signs of recovery, which included an increased number of seminal roots, development of normal root extensions from clubbed root tips, and development of normal lateral root patterns”
Claim · model-written summary
Trifluralin increased percent calcium and magnesium in wheat plants.
- Taxon
- wheatTriticum aestivume5
- Treatment
- Trifluraline5
- Outcome
- percent calcium and magnesiume5
- Direction
- increasede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Trifluralin increased percent calcium and magnesium and decreased percent nitrogen, phosphorus, and potassium in wheat plants”
Claim · model-written summary
Trifluralin decreased percent nitrogen, phosphorus and potassium in wheat plants.
- Taxon
- wheatTriticum aestivume5
- Treatment
- Trifluraline5
- Outcome
- percent nitrogen, phosphorus, and potassiume5
- Direction
- decreasede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Trifluralin increased percent calcium and magnesium and decreased percent nitrogen, phosphorus, and potassium in wheat plants”
Claim · model-written summary
Nutrient concentrations of wheat seedlings were more affected by trifluralin at 21 days than at 35 days of age.
- Taxon
- wheatTriticum aestivume6
- Organ / stage
- 21-day-old plantse6
- Treatment
- trifluraline6
- Outcome
- nutrient concentrationse6
- Direction
- more affectede6
- Comparator
- 35-day-old plantse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“The nutrient concentrations were more affected in 21-day-old plants than in 35-day-old plants, indicating the wheat seedlings were able to recover from trifluralin injury”
Claim · model-written summary
Wheat seedlings were able to recover from trifluralin injury.
- Taxon
- wheatTriticum aestivume6
- Outcome
- recover from trifluralin injurye6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“The nutrient concentrations were more affected in 21-day-old plants than in 35-day-old plants, indicating the wheat seedlings were able to recover from trifluralin injury”
The same questions in other papers
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trifluralin · growth · Triticum aestivum (wheat)Positive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
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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.