Abstract
Crop rotation is an effective tactic for soybean cyst nematode (SCN) management. In the North Central region of the USA, corn is almost exclusively used as a nonhost rotation crop with soybean. This study was conducted to determine the effectiveness of crops common to or having potential use in the North Central region as rotation crops for managing SCN. Sixteen potential rotation crops and SCN‐resistant and susceptible soybeans were grown along with six fallow controls in three commercial field sites near Waseca, Lamberton, and Morris, MN, in 2001, and SCN‐susceptible soybean was grown on all plots in 2002. Nematode populations at planting, midseason, and harvest were measured both years; soybean yield was measured in 2002. There was large variability in SCN populations and soybean yields at the three sites. Nevertheless, significant treatment effects were detected at all sites. While all of the rotation crops lowered SCN populations compared with SCN‐susceptible soybean, there were only subtle differences among the individual rotation crops and among different groups of the crops. Leguminous nonhosts or poor hosts were best in reducing SCN population density. Corn, the most common rotation crop in Minnesota, was among the least effective in reducing nematode populations. There was an undetectable yield benefit from SCN management, although differences in yield were observed among the rotation crop treatments—probably due to agronomic factors. The data suggest that a single year of rotation of soybean with any of these crops before planting a susceptible soybean may not be sufficient in managing SCN.
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Claims 9
Claim · model-written summary
SCN populations and soybean yields varied greatly among three sites.
- Taxon
- Soybean
Glycine maxt0 - Interactor
- SCNe0pathogen
- Outcome
- SCN populations and soybean yieldse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was large variability in SCN populations and soybean yields at the three sites.”
t0“Rotation Crop Evaluation for Management of the Soybean Cyst Nematode in Minnesota”
Claim · model-written summary
Rotation treatments had significant effects at all sites.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- treatmente0
- Outcome
- treatment effectse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significant treatment effects were detected at all sites.”
t0“Rotation Crop Evaluation for Management of the Soybean Cyst Nematode in Minnesota”
Claim · model-written summary
All rotation crops reduced SCN populations compared with susceptible soybean.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- all of the rotation cropse0
- Interactor
- SCNe0pathogen
- Outcome
- SCN populationse0
- Direction
- lowerede0
- Comparator
- SCN‐susceptible soybeane0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“all of the rotation crops lowered SCN populations compared with SCN‐susceptible soybean”
t0“Rotation Crop Evaluation for Management of the Soybean Cyst Nematode in Minnesota”
Claim · model-written summary
Differences among individual rotation crops and groups were subtle.
- Taxon
- SoybeanGlycine maxt0
- Outcome
- subtle differences among the individual rotation crops and among different groups of the cropse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there were only subtle differences among the individual rotation crops and among different groups of the crops.”
t0“Rotation Crop Evaluation for Management of the Soybean Cyst Nematode in Minnesota”
Claim · model-written summary
Leguminous nonhosts or poor hosts reduced SCN density most.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- Leguminous nonhosts or poor hostse0
- Interactor
- SCNe0pathogen
- Outcome
- SCN population densitye0
- Direction
- reducinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leguminous nonhosts or poor hosts were best in reducing SCN population density.”
t0“Rotation Crop Evaluation for Management of the Soybean Cyst Nematode in Minnesota”
Claim · model-written summary
Corn was among the least effective rotation crops for reducing nematode populations.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- Corne0
- Outcome
- nematode populationse0
- Direction
- least effective in reducinge0
- Setting
- Minnesotae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Corn, the most common rotation crop in Minnesota, was among the least effective in reducing nematode populations.”
t0“Rotation Crop Evaluation for Management of the Soybean Cyst Nematode in Minnesota”
Claim · model-written summary
SCN management gave no detectable soybean yield benefit.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- SCN managemente0
- Interactor
- SCNe0pathogen
- Outcome
- yield benefite0
- Direction
- undetectablee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was an undetectable yield benefit from SCN management”
t0“Rotation Crop Evaluation for Management of the Soybean Cyst Nematode in Minnesota”
Claim · model-written summary
Soybean yields differed among rotation treatments, probably due to agronomic factors.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- rotation crop treatmentse0
- Outcome
- yielde0
- Qualifier
- probably due to agronomic factorse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“differences in yield were observed among the rotation crop treatments—probably due to agronomic factors.”
t0“Rotation Crop Evaluation for Management of the Soybean Cyst Nematode in Minnesota”
Claim · model-written summary
The authors caution that one rotation year may not suffice to manage SCN before susceptible soybean.
- Taxon
- SoybeanGlycine maxt0
- Interactor
- SCNe0pathogen
- Outcome
- a single year of rotation of soybean with any of these crops before planting a susceptible soybean may not be sufficient in managing SCNe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a single year of rotation of soybean with any of these crops before planting a susceptible soybean may not be sufficient in managing SCN.”
t0“Rotation Crop Evaluation for Management of the Soybean Cyst Nematode in Minnesota”
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