Abstract
Field experiment was conducted in 1996 and 1997 to evaluate the efficacy of new herbicides against broadleaf and grassy weeds in soybean. Pre-emergence application of linuron at 1250 g ha−1 provided 85% control of carpetweed, 68% of digera and 75% of barnyard grass. Post-emergence application of fluazifop at 750 to 1000 g ha−1 provided 70 to 90% control of barnyard grass but failed to control any of the broadleaf weed. Sequential application of pre-emergence linuron and post-fluazifop at 750 and 500 g and 1000 and 500 g ha−1 provided better control of all weeds than their single application. intergration of lower rates of preemergence linuron 750 or 1000 g ha−1 with one hand weeding at 40 DAS provided excellent control of all weeds and similar to trifluralin followed by hand weeding. Higher rate of soil applied linuron, and when lower rate was integrated with post-em. fluazifop or one hand weeding produced better yield attributes i. e. branches and pods per plant and consequently higher grain yield of soybean than unweeded control and at par to weed free yield. Post-emergence application of linuron proved phytotoxic to soybean.
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Claims 11
Claim · model-written summary
Linuron controlled carpetweed by 85%.
- Taxon
- Soybean
Glycine maxt0 - Treatment
- linuron at 1250 g ha−1e0
- Interactor
- carpetweede0weed
- Outcome
- control of carpetweede0
- Direction
- controle0
- Value
- 85%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“Pre-emergence application of linuron at 1250 g ha−1 provided 85% control of carpetweed”
Claim · model-written summary
Linuron controlled digera by 68%.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- linuron at 1250 g ha−1e0
- Outcome
- digerae0
- Direction
- controle0
- Value
- 68%e0
DigeraNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“Pre-emergence application of linuron at 1250 g ha−1 provided 85% control of carpetweed, 68% of digera and 75% of barnyard grass”
Claim · model-written summary
Linuron controlled barnyard grass by 75%.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- linuron at 1250 g ha−1e0
- Interactor
- barnyard grass
Echinochloa crus-gallie0weed - Outcome
- barnyard grasse0
- Direction
- controle0
- Value
- 75%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“Pre-emergence application of linuron at 1250 g ha−1 provided 85% control of carpetweed, 68% of digera and 75% of barnyard grass”
Claim · model-written summary
Fluazifop controlled barnyard grass by 70 to 90%.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- fluazifop at 750 to 1000 g ha−1e0
- Interactor
- barnyard grassEchinochloa crus-gallie0weed
- Outcome
- control of barnyard grasse0
- Direction
- controle0
- Value
- 70 to 90%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“Post-emergence application of fluazifop at 750 to 1000 g ha−1 provided 70 to 90% control of barnyard grass”
Claim · model-written summary
Fluazifop failed to control broadleaf weeds.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- fluazifop at 750 to 1000 g ha−1e0
- Interactor
- broadleaf weede0weed
- Outcome
- control any of the broadleaf weede0
- Direction
- failed to controle0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“Post-emergence application of fluazifop at 750 to 1000 g ha−1 provided 70 to 90% control of barnyard grass but failed to control any of the broadleaf weed”
Claim · model-written summary
Sequential linuron and fluazifop controlled all weeds better than either alone.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- Sequential application of pre-emergence linuron and post-fluazifop at 750 and 500 g and 1000 and 500 g ha−1e0
- Interactor
- weedse0weed
- Outcome
- control of all weedse0
- Direction
- bettere0
- Comparator
- their single applicatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“Sequential application of pre-emergence linuron and post-fluazifop at 750 and 500 g and 1000 and 500 g ha−1 provided better control of all weeds than their single application”
Claim · model-written summary
Lower rate linuron plus hand weeding gave excellent weed control.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- preemergence linuron 750 or 1000 g ha−1 with one hand weeding at 40 DASe0
- Interactor
- weedse0weed
- Outcome
- control of all weedse0
- Direction
- excellente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“lower rates of preemergence linuron 750 or 1000 g ha−1 with one hand weeding at 40 DAS provided excellent control of all weeds”
Claim · model-written summary
The lower rate combination controlled weeds similarly to trifluralin plus hand weeding.
- Taxon
- SoybeanGlycine maxt0
- Outcome
- similare0
- Direction
- similare0
- Comparator
- trifluralin followed by hand weedinge0
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“similar to trifluralin followed by hand weeding”
Claim · model-written summary
Higher linuron rate or combinations improved branches, pods and grain yield over unweeded control.
- Taxon
- soybeanGlycine maxe0
- Treatment
- Higher rate of soil applied linurone0
- Outcome
- branches and pods per plante0
- Direction
- bettere0
- Comparator
- unweeded controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean”
e0“Higher rate of soil applied linuron, and when lower rate was integrated with post-em. fluazifop or one hand weeding produced better yield attributes i. e. branches and pods per plant and consequently higher grain yield of soybean than unweeded control”
Claim · model-written summary
The treatments gave higher soybean grain yield than unweeded control.
- Taxon
- soybeanGlycine maxe0
- Treatment
- Higher rate of soil applied linurone0
- Outcome
- grain yield of soybeane0
- Direction
- highere0
- Comparator
- unweeded controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Higher rate of soil applied linuron, and when lower rate was integrated with post-em. fluazifop or one hand weeding produced better yield attributes i. e. branches and pods per plant and consequently higher grain yield of soybean than unweeded control and at par to weed free yield”
Claim · model-written summary
Postemergence linuron was phytotoxic to soybean.
- Taxon
- soybeanGlycine maxe0
- Treatment
- Post-emergence application of linurone0
- Outcome
- phytotoxic to soybeane0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Post-emergence application of linuron proved phytotoxic to soybean”
The same questions in other papers
linuron · yield · Glycine max (soybean)Results differ
8 papers in the same direction as this paper · 4 in the opposite direction
- negative
- no effect
- no effect
9 papers more in this group
See all 13 papers →fluazifop · weed · Glycine max (soybean)Positive and negative results
1 in the opposite direction
- positive
linuron · control · Glycine max (soybean)Positive and negative results
7 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
5 papers more in this group
See all 9 papers →fluazifop · Echinochloa crus-galli · Glycine max (soybean)Results agree
1 paper in the same direction as this paper
- positive
linuron · weed · Glycine max (soybean)Results agree
8 papers in the same direction as this paper
- positive
- positive
- positive
5 papers more in this group
See all 9 papers →herbicide · weed · Glycine max (soybean)Positive and negative results
257 papers in the same direction as this paper · 26 in the opposite direction · 13 reporting no difference from an alternative
- negative
- negative
- negative
293 papers more in this group
See all 297 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.