Abstract
Residual herbicides and cover crops are important tools inside an integrated weed management program. The straw produced in crop rotation can interacts with herbicides. The aim of this study was to evaluate the interaction of diclosulam, sulfentrazone, imazethapyr, flumioxazin, s-metolachlor and pyroxasulfone with black oat, cereal rye, common vetch and oilseed radish cover crops and it´s reflection on weed control and soybean production. Were evaluated the biomass production of cover crops and its influence on the soybean population. A phytosociological survey of the weed community was carried out, further evaluating the control provided by the herbicides and its effects on soybean productivity. Diclosulam was the more efficient herbicide tested, reducing both weed density and biomass (68% and 89%, respectively) compared to the fallow, independently of cover crop straw. The best control levels for the population identified were provided by the combination of the herbicides diclosulam with black oat, radish or fallow. We observed that herbicide efficacy in this case was more related with control spectrum than with herbicide-straw interation. This research demonstrates that the integration of cover crops and residual herbicides is efficient in the suppression and control of weeds in the soybean crop in the no-tillage system.
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Claims 7
Claim · model-written summary
Diclosulam reduced weed density by 68% compared with fallow, independently of cover crop straw.
- Taxon
- soybean
Glycine maxe0t0e1e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Diclosulam was the more efficient herbicide tested, reducing both weed density and biomass (68% and 89%, respectively) compared to the fallow, independently of cover crop straw”
t0“Soybean Weed Control”
e1“integration of cover crops and residual herbicides is efficient in the suppression and control of weeds in the soybean crop in the no-tillage system”
e2“Diclosulam was the more efficient herbicide tested, reducing both weed density and biomass (68% and 89%, respectively) compared to the fallow, independently of cover crop straw”
Claim · model-written summary
Diclosulam reduced weed biomass by 89% compared with fallow, independently of cover crop straw.
- Taxon
- soybeanGlycine maxe0t0e1e2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Diclosulam was the more efficient herbicide tested, reducing both weed density and biomass (68% and 89%, respectively) compared to the fallow, independently of cover crop straw”
t0“Soybean Weed Control”
e1“integration of cover crops and residual herbicides is efficient in the suppression and control of weeds in the soybean crop in the no-tillage system”
e2“Diclosulam was the more efficient herbicide tested, reducing both weed density and biomass (68% and 89%, respectively) compared to the fallow, independently of cover crop straw”
Claim · model-written summary
Diclosulam combined with black oat provided among the best weed control levels.
- Taxon
- soybeanGlycine maxe0t0e1e2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The best control levels for the population identified were provided by the combination of the herbicides diclosulam with black oat, radish or fallow”
t0“Soybean Weed Control”
e1“integration of cover crops and residual herbicides is efficient in the suppression and control of weeds in the soybean crop in the no-tillage system”
e2“Diclosulam was the more efficient herbicide tested, reducing both weed density and biomass (68% and 89%, respectively) compared to the fallow, independently of cover crop straw”
Claim · model-written summary
Diclosulam combined with radish provided among the best weed control levels.
- Taxon
- soybeanGlycine maxe0t0e1e2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The best control levels for the population identified were provided by the combination of the herbicides diclosulam with black oat, radish or fallow”
t0“Soybean Weed Control”
e1“integration of cover crops and residual herbicides is efficient in the suppression and control of weeds in the soybean crop in the no-tillage system”
e2“Diclosulam was the more efficient herbicide tested, reducing both weed density and biomass (68% and 89%, respectively) compared to the fallow, independently of cover crop straw”
Claim · model-written summary
Diclosulam on fallow ground provided among the best weed control levels.
- Taxon
- soybeanGlycine maxe0t0e1e2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The best control levels for the population identified were provided by the combination of the herbicides diclosulam with black oat, radish or fallow”
t0“Soybean Weed Control”
e1“integration of cover crops and residual herbicides is efficient in the suppression and control of weeds in the soybean crop in the no-tillage system”
e2“Diclosulam was the more efficient herbicide tested, reducing both weed density and biomass (68% and 89%, respectively) compared to the fallow, independently of cover crop straw”
Claim · model-written summary
Herbicide efficacy was more related to control spectrum than to herbicide-straw interaction.
- Taxon
- soybeanGlycine maxe0t0e1e2
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“herbicide efficacy in this case was more related with control spectrum than with herbicide-straw interation”
t0“Soybean Weed Control”
e1“integration of cover crops and residual herbicides is efficient in the suppression and control of weeds in the soybean crop in the no-tillage system”
e2“Diclosulam was the more efficient herbicide tested, reducing both weed density and biomass (68% and 89%, respectively) compared to the fallow, independently of cover crop straw”
Claim · model-written summary
Integrating cover crops and residual herbicides suppressed weeds in no-till soybean.
- Taxon
- soybeanGlycine maxe0t0e1e2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“integration of cover crops and residual herbicides is efficient in the suppression and control of weeds in the soybean crop in the no-tillage system”
t0“Soybean Weed Control”
e1“integration of cover crops and residual herbicides is efficient in the suppression and control of weeds in the soybean crop in the no-tillage system”
e2“Diclosulam was the more efficient herbicide tested, reducing both weed density and biomass (68% and 89%, respectively) compared to the fallow, independently of cover crop straw”
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