Abstract
Field experiments were conducted at the Everglades Research and Education Center in Belle Glade, FL, during 2011 and 2012 to evaluate weed control and sweet corn response to preemergence application of pyroxasulfone, S-metolachlor, and mesotrione on high organic matter soils (up to 85%) of the Everglades Agricultural Area (EAA) in southern Florida. Pyroxasulfone (0.21 and 0.43 lb a.i./acre) controlled spiny amaranth, common lambsquarters, and common purslane 91 to 100, 95 to 100, and 94 to 99% at 49 days after treatment (DAT), respectively. S-metolachlor (2.48 and 4.97 lb a.i./acre) controlled these respective weeds 98 to 99, 17 to 42, and 70 to 80%. Mesotrione (0.19 lb a.i./acre) at this timing controlled spiny amaranth, common lambsquarters, and common purslane 78, 95, and 24%, respectively. No above ground visible injury of sweet corn was observed irrespective of herbicide or rate. Overall, pyroxasulfone resulted in higher sweet corn yield compared to S-metolachlor and mesotrione. The results of this study show that preemergence pyroxasulfone can provide effective residual control of problematic broadleaf weeds that is more consistent than S-metolachlor or mesotrione in sweet corn on high organic matter soils of the EAA.
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Claims 12
Claim · model-written summary
Pyroxasulfone controlled spiny amaranth by 91 to 100% at 49 days after treatment.
- Taxon
- sweet corne0
- Treatment
- Pyroxasulfone (0.21 and 0.43 lb a.i./acre)e1
- Interactor
- spiny amaranthe1weed
- Outcome
- spiny amaranthe1
- Direction
- controllede1
- Value
- 91 to 100e1
- Qualifier
- at 49 days after treatment (DAT)e1
Not reportedComparator
Verbatim
e0“to evaluate weed control and sweet corn response to preemergence application”
e1“Pyroxasulfone (0.21 and 0.43 lb a.i./acre) controlled spiny amaranth, common lambsquarters, and common purslane 91 to 100, 95 to 100, and 94 to 99% at 49 days after treatment (DAT), respectively”
Claim · model-written summary
Pyroxasulfone controlled common lambsquarters by 95 to 100% at 49 days after treatment.
- Taxon
- sweet corne0
- Treatment
- Pyroxasulfone (0.21 and 0.43 lb a.i./acre)e1
- Interactor
- common lambsquarters
Chenopodium albume1weed - Outcome
- common lambsquarterse1
- Direction
- controllede1
- Value
- 95 to 100e1
- Qualifier
- at 49 days after treatment (DAT)e1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“to evaluate weed control and sweet corn response to preemergence application”
e1“Pyroxasulfone (0.21 and 0.43 lb a.i./acre) controlled spiny amaranth, common lambsquarters, and common purslane 91 to 100, 95 to 100, and 94 to 99% at 49 days after treatment (DAT), respectively”
Claim · model-written summary
Pyroxasulfone controlled common purslane by 94 to 99% at 49 days after treatment.
- Taxon
- sweet corne0
- Treatment
- Pyroxasulfone (0.21 and 0.43 lb a.i./acre)e1
- Interactor
- common purslanee1weed
- Outcome
- common purslanee1
- Direction
- controllede1
- Value
- 94 to 99e1
- Qualifier
- at 49 days after treatment (DAT)e1
Not reportedComparator
Verbatim
e0“to evaluate weed control and sweet corn response to preemergence application”
e1“Pyroxasulfone (0.21 and 0.43 lb a.i./acre) controlled spiny amaranth, common lambsquarters, and common purslane 91 to 100, 95 to 100, and 94 to 99% at 49 days after treatment (DAT), respectively”
Claim · model-written summary
S-metolachlor controlled spiny amaranth by 98 to 99%.
- Taxon
- sweet corne0
- Treatment
- S-metolachlor (2.48 and 4.97 lb a.i./acre)e2
- Interactor
- spiny amaranthe1weed
- Outcome
- spiny amaranthe1
- Direction
- controllede2
- Value
- 98 to 99e2
Not reportedComparator
Verbatim
e0“to evaluate weed control and sweet corn response to preemergence application”
e1“Pyroxasulfone (0.21 and 0.43 lb a.i./acre) controlled spiny amaranth, common lambsquarters, and common purslane 91 to 100, 95 to 100, and 94 to 99% at 49 days after treatment (DAT), respectively”
e2“S-metolachlor (2.48 and 4.97 lb a.i./acre) controlled these respective weeds 98 to 99, 17 to 42, and 70 to 80%”
Claim · model-written summary
S-metolachlor controlled common lambsquarters by 17 to 42%.
- Taxon
- sweet corne0
- Treatment
- S-metolachlor (2.48 and 4.97 lb a.i./acre)e2
- Interactor
- common lambsquartersChenopodium albume1weed
- Outcome
- common lambsquarterse1
- Direction
- controllede2
- Value
- 17 to 42e2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“to evaluate weed control and sweet corn response to preemergence application”
e1“Pyroxasulfone (0.21 and 0.43 lb a.i./acre) controlled spiny amaranth, common lambsquarters, and common purslane 91 to 100, 95 to 100, and 94 to 99% at 49 days after treatment (DAT), respectively”
e2“S-metolachlor (2.48 and 4.97 lb a.i./acre) controlled these respective weeds 98 to 99, 17 to 42, and 70 to 80%”
Claim · model-written summary
S-metolachlor controlled common purslane by 70 to 80%.
- Taxon
- sweet corne0
- Treatment
- S-metolachlor (2.48 and 4.97 lb a.i./acre)e2
- Interactor
- common purslanee1weed
- Outcome
- common purslanee1
- Direction
- controllede2
- Value
- 70 to 80e2
Not reportedComparator
Verbatim
e0“to evaluate weed control and sweet corn response to preemergence application”
e1“Pyroxasulfone (0.21 and 0.43 lb a.i./acre) controlled spiny amaranth, common lambsquarters, and common purslane 91 to 100, 95 to 100, and 94 to 99% at 49 days after treatment (DAT), respectively”
e2“S-metolachlor (2.48 and 4.97 lb a.i./acre) controlled these respective weeds 98 to 99, 17 to 42, and 70 to 80%”
Claim · model-written summary
Mesotrione controlled spiny amaranth by 78%.
- Taxon
- sweet corne0
- Treatment
- Mesotrione (0.19 lb a.i./acre)e3
- Interactor
- spiny amaranthe3weed
- Outcome
- spiny amaranthe3
- Direction
- controllede3
- Value
- 78e3
- Qualifier
- at this timinge3
Not reportedComparator
Verbatim
e0“to evaluate weed control and sweet corn response to preemergence application”
e3“Mesotrione (0.19 lb a.i./acre) at this timing controlled spiny amaranth, common lambsquarters, and common purslane 78, 95, and 24%, respectively”
Claim · model-written summary
Mesotrione controlled common lambsquarters by 95%.
- Taxon
- sweet corne0
- Treatment
- Mesotrione (0.19 lb a.i./acre)e3
- Interactor
- common lambsquartersChenopodium albume3weed
- Outcome
- common lambsquarterse3
- Direction
- controllede3
- Value
- 95e3
- Qualifier
- at this timinge3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“to evaluate weed control and sweet corn response to preemergence application”
e3“Mesotrione (0.19 lb a.i./acre) at this timing controlled spiny amaranth, common lambsquarters, and common purslane 78, 95, and 24%, respectively”
Claim · model-written summary
Mesotrione controlled common purslane by 24%.
- Taxon
- sweet corne0
- Treatment
- Mesotrione (0.19 lb a.i./acre)e3
- Interactor
- common purslanee3weed
- Outcome
- common purslanee3
- Direction
- controllede3
- Value
- 24e3
- Qualifier
- at this timinge3
Not reportedComparator
Verbatim
e0“to evaluate weed control and sweet corn response to preemergence application”
e3“Mesotrione (0.19 lb a.i./acre) at this timing controlled spiny amaranth, common lambsquarters, and common purslane 78, 95, and 24%, respectively”
Claim · model-written summary
No above-ground visible injury of sweet corn was observed irrespective of herbicide or rate.
Not reportedComparatorDirection
Verbatim
e4“No above ground visible injury of sweet corn was observed irrespective of herbicide or rate”
Claim · model-written summary
Pyroxasulfone gave higher sweet corn yield than S-metolachlor and mesotrione.
Verbatim
e5“Overall, pyroxasulfone resulted in higher sweet corn yield compared to S-metolachlor and mesotrione”
Claim · model-written summary
Pre-emergence pyroxasulfone gives more consistent residual control of problematic broadleaf weeds than S-metolachlor or mesotrione.
Verbatim
e0“to evaluate weed control and sweet corn response to preemergence application”
e6“The results of this study show that preemergence pyroxasulfone can provide effective residual control of problematic broadleaf weeds that is more consistent than S-metolachlor or mesotrione in sweet corn on high organic matter soils of the EAA”
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See all 406 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.