Abstract
Abstract Modification of tillage and herbicide use patterns to reduce adverse environmental effects on soybean [ Glycine max (L.) Merr.] production may impact arthropod populations and damage in soybean. The objectives of this field study were to examine the effect of reduced tillage and herbicide use on populations of foliage‐inhabiting phytophagous and beneficial arthropods and their damage in soybean. Tillage treatments of no‐tillage, chisel‐plow with disking, and moldboard plow with disking and herbicide regimes of high (preplant and postemergence control), reduced (postemergence control), and no herbicide use were established in a 2‐yr rotation of corn ( Zea mays L.), winter wheat ( Triticum aestivum L.), and soybean. Phytophagous and predatory arthropods were sampled from soybean foliage with the shake‐cloth technique throughout the season in 1988, 1990, and 1992. Tillage treatments did not consistently affect any arthropod groups except stink bugs (Pentatomidae), which were more abundant in no‐tillage than plow‐tillage treatments, and bigeyed bugs ( Geocoris spp.), which were more abundant in both plow‐tillage treatments than in no‐tillage. Herbicide regime also had no consistent effect on abundance of any taxa. Additionally, tillage and herbicide regimes had little consistent effect on soybean lepidopteran defoliation and pod damage caused by the bean leaf beetle [ Cerotoma trifurcata (Forster)] over the 3 yr. There were extensive stand losses due to rodent damage (cotton rat; Sigmodon hispidis Say & Ord) in the no‐tillage, no‐herbicide system in 1992, where crabgrass [ Digitaria sanguinalis (L.) Scop.] was prevalent. These results suggest that tillage and herbicide use practices can be modified without greatly affecting arthropod populations and their damage in soybean. However, these results imply that the potential for managing arthropod populations by modified tillage and herbicide use is limited in soybean.
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Claims 6
Claim · model-written summary
Stink bugs were more abundant under no tillage than plow tillage.
- Taxon
- soybean
Glycine maxt0 - Treatment
- no‐tillagee0
- Interactor
- stink bugs (Pentatomidae)Pentatomidaee0pest
- Outcome
- stink bugs (Pentatomidae)e0
- Direction
- more abundante0
- Comparator
- plow‐tillage treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“stink bugs (Pentatomidae), which were more abundant in no‐tillage than plow‐tillage treatments”
t0“Populations of Foliage‐Inhabiting Arthropods on Soybean with Reduced Tillage and Herbicide Use”
t1“Populations of Foliage‐Inhabiting Arthropods on Soybean with Reduced Tillage and Herbicide Use”
Claim · model-written summary
Bigeyed bugs were more abundant under plow tillage than no tillage.
- Taxon
- soybeanGlycine maxt0
- Treatment
- plow‐tillage treatmentse0
- Outcome
- bigeyed bugs ( Geocoris spp.)e0
- Direction
- more abundante0
- Comparator
- no‐tillagee0
GeocorisOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“bigeyed bugs ( Geocoris spp.), which were more abundant in both plow‐tillage treatments than in no‐tillage”
t0“Populations of Foliage‐Inhabiting Arthropods on Soybean with Reduced Tillage and Herbicide Use”
t1“Populations of Foliage‐Inhabiting Arthropods on Soybean with Reduced Tillage and Herbicide Use”
Claim · model-written summary
Herbicide regime had no consistent effect on arthropod abundance.
- Taxon
- soybeanGlycine maxt0
- Treatment
- Herbicide regimee0
- Outcome
- abundance of any taxae0
- Direction
- no consistent effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Herbicide regime also had no consistent effect on abundance of any taxa.”
t0“Populations of Foliage‐Inhabiting Arthropods on Soybean with Reduced Tillage and Herbicide Use”
t1“Populations of Foliage‐Inhabiting Arthropods on Soybean with Reduced Tillage and Herbicide Use”
Claim · model-written summary
Tillage and herbicide regimes had little consistent effect on soybean lepidopteran defoliation.
- Taxon
- soybeanGlycine maxe0
- Treatment
- tillage and herbicide regimese0
- Interactor
- lepidopterane0pest
- Outcome
- soybean lepidopteran defoliatione0
- Direction
- little consistent effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“tillage and herbicide regimes had little consistent effect on soybean lepidopteran defoliation”
t0“Populations of Foliage‐Inhabiting Arthropods on Soybean with Reduced Tillage and Herbicide Use”
t1“Populations of Foliage‐Inhabiting Arthropods on Soybean with Reduced Tillage and Herbicide Use”
Claim · model-written summary
Tillage and herbicide regimes had little consistent effect on bean leaf beetle pod damage.
- Taxon
- soybeanGlycine maxe0
- Treatment
- tillage and herbicide regimese0
- Interactor
- Cerotoma trifurcata
Cerotoma trifurcatae0pest - Outcome
- pod damage caused by the bean leaf beetlee0
- Direction
- little consistent effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“tillage and herbicide regimes had little consistent effect on soybean lepidopteran defoliation and pod damage caused by the bean leaf beetle [ Cerotoma trifurcata (Forster)] over the 3 yr.”
t0“Populations of Foliage‐Inhabiting Arthropods on Soybean with Reduced Tillage and Herbicide Use”
t1“Populations of Foliage‐Inhabiting Arthropods on Soybean with Reduced Tillage and Herbicide Use”
Claim · model-written summary
Rodent damage caused extensive soybean stand losses in the no tillage, no herbicide system in 1992.
- Taxon
- soybeanGlycine maxt0
- Treatment
- no‐tillage, no‐herbicide systeme0
- Interactor
- Sigmodon hispidise0pest
- Second interactor
- Digitaria sanguinalis
.jpg?width=60)
Digitaria sanguinalise0weed - Outcome
- extensive stand losses due to rodent damagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“There were extensive stand losses due to rodent damage (cotton rat; Sigmodon hispidis Say & Ord) in the no‐tillage, no‐herbicide system in 1992, where crabgrass [ Digitaria sanguinalis (L.) Scop.] was prevalent.”
t0“Populations of Foliage‐Inhabiting Arthropods on Soybean with Reduced Tillage and Herbicide Use”
t1“Populations of Foliage‐Inhabiting Arthropods on Soybean with Reduced Tillage and Herbicide Use”
The same questions in other papers
tillage · pest · Glycine max (soybean)Positive and negative results
11 papers in the same direction as this paper · 14 in the opposite direction
- positive
- positive
- positive
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See all 26 papers →herbicide · pest · Glycine max (soybean)Positive and negative results
16 papers in the same direction as this paper · 18 in the opposite direction
- no effect
- positive
- positive
31 papers more in this group
See all 35 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.