Abstract
Interactions between herbicides and insecticides in crop production have been documented for a number of years. Research has shown that applications of some organophosphate insecticides at planting can reduce cotton injury following applications of the soil-applied herbicide clomazone. Additionally, recent research has shown that, when applied as seed treatments prior to planting, some neonicotinoid insecticides can safen rice to drift from both glyphosate and imazethapyr. Since insecticide seed treatments are commonly used in many crop production systems throughout the Midsouth, exploring their ability to reduce injury from herbicides in other crops besides rice is of great interest. Presently no research exists examining the potential for insecticide seed treatments to reduce herbicide injury in soybean or grain sorghum, important rotational crops in Arkansas. Research contained herein investigates the possibility for commonly-used neonicotinoid insecticide seed treatments to reduce injury from herbicides via drift and soil application in both crops, in addition to applications of postemergence herbicides in soybean that typically cause injury. Results from these studies indicate that injury from herbicide drift may be reduced through the use of insecticide seed treatments in both crops. Injury from seven of the eight herbicides evaluated in soybean, and three of three herbicides in grain sorghum, was reduced in at least one of four site years. Additionally, safening to soil-applied herbicides was seen in five of nine herbicides evaluated in soybean in one or more site years. Injury from soil-applied herbicides in grain sorghum was not reduced in any of the four herbicides evaluated, nor was a safening effect seen in applications of postemergence herbicides in soybean. The amount of injury reduction varied substantially among site years, indicating a strong environmental effect on level of safening. However, based on the fact that insecticide seed treatments are incorporated across a wide array of environmental conditions each spring, it seems likely that some growers will see the benefits of reduced injury following herbicide exposure.
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Claims 7
Claim · model-written summary
Insecticide seed treatments reduced soybean injury from seven of eight drift herbicides in at least one of four site years.
- Taxon
- Soybean
Glycine maxt0 - Treatment
- insecticide seed treatmentse1
- Outcome
- Injury from seven of the eight herbicides evaluated in soybeane0
- Direction
- reducede0
- Value
- seven of the eight herbicidese0
- Qualifier
- at least one of four site yearse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean (Glycine max)”
e0“Injury from seven of the eight herbicides evaluated in soybean, and three of three herbicides in grain sorghum, was reduced in at least one of four site years.”
e1“injury from herbicide drift may be reduced through the use of insecticide seed treatments in both crops”
Claim · model-written summary
Insecticide seed treatments reduced grain sorghum injury from all three drift herbicides in at least one of four site years.
- Taxon
- Grain Sorghum
Sorghum bicolort0 - Outcome
- injurye0
- Direction
- reducede0
- Value
- three of three herbicidese0
- Qualifier
- at least one of four site yearse0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Grain Sorghum (Sorghum bicolor)”
e0“Injury from seven of the eight herbicides evaluated in soybean, and three of three herbicides in grain sorghum, was reduced in at least one of four site years.”
Claim · model-written summary
Insecticide seed treatments safened soybean against five of nine soil-applied herbicides in one or more site years.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- soil-applied herbicidese0
- Outcome
- safeninge0
- Value
- five of nine herbicidese0
- Qualifier
- one or more site yearse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean (Glycine max)”
e0“safening to soil-applied herbicides was seen in five of nine herbicides evaluated in soybean in one or more site years”
Claim · model-written summary
Insecticide seed treatments did not reduce grain sorghum injury from any of four soil-applied herbicides.
- Taxon
- Grain SorghumSorghum bicolort0
- Treatment
- soil-applied herbicidese0
- Outcome
- Injurye0
- Direction
- not reducede0
- Value
- four herbicidese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Grain Sorghum (Sorghum bicolor)”
e0“Injury from soil-applied herbicides in grain sorghum was not reduced in any of the four herbicides evaluated”
Claim · model-written summary
Insecticide seed treatments did not safen soybean against postemergence herbicides.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- postemergence herbicidese0
- Outcome
- safening effecte0
- Direction
- nor was a safening effect seene0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean (Glycine max)”
e0“nor was a safening effect seen in applications of postemergence herbicides in soybean”
Claim · model-written summary
Injury reduction varied substantially among site years.
- Taxon
- SoybeanGlycine maxt0
- Outcome
- injury reductione0
- Direction
- varied substantiallye0
- Setting
- site yearse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean (Glycine max)”
e0“The amount of injury reduction varied substantially among site years, indicating a strong environmental effect on level of safening.”
Claim · model-written summary
The authors considered it likely that some growers would benefit from reduced herbicide injury after insecticide seed treatment.
- Taxon
- SoybeanGlycine maxt0
- Outcome
- reduced injury following herbicide exposuree0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Soybean (Glycine max)”
e0“it seems likely that some growers will see the benefits of reduced injury following herbicide exposure”
The same questions in other papers
seed treatment · crop injury · Glycine max (soybean)Positive and negative results
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See all 15 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.