Abstract
Thrips and nematodes can be serious early-season pests of cotton grown on the highly variable soil types common in the southeastern United States. I examined the effects of precision-applied aldicarb (Temik¨ 15G) and seed treatments (Aeris¨ and Avicta Complete Pak¨) on population dynamics of thrips and nematodes in management zones defined by soil texture as measured by soil electrical conductivity (EC). Research plots were established in cotton fields with variable soil types at the Clemson University Edisto Research and Education Center near Blackville, SC, during May of 2010 and 2011. Research plots were arranged in a three-way factorial design, with management zone (low EC, medium EC, or high EC), at-plant seed treatment (Aeris, Avicta Complete Pak, or none), and aldicarb rate (0, 0.51, or 0.86 kg/ha of active ingredient) as factors. Soil texture was significantly correlated with soil EC, indicating that using zone definition by soil EC provided distinct areas for applying differential control tactics for thrips and nematodes. Population densities of thrips (2010) and nematodes (2010 and 2011) were highest in the coarsest soils (low EC zones). Seed treatments were not as effective in controlling and suppressing thrips and nematodes as aldicarb. The addition of aldicarb to seed treatments increased the efficacy of these products. Although aldicarb under the trade name Temik 15G is no longer available for use in US agricultural fields, results from this study may serve as a model for future formulations of aldicarb that may become available.
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Claims 6
Claim · model-written summary
Soil texture correlated significantly with electrical conductivity in cotton fields.
- Taxon
- COTTON
Gossypium hirsutumt0 - Outcome
- soil ECe0
- Setting
- Soil texturee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Soil texture was significantly correlated with soil EC”
t0“IN COTTON”
Claim · model-written summary
Thrips density in 2010 was highest in coarse low EC cotton soil.
- Taxon
- cottonGossypium hirsutume1
- Outcome
- Population densities of thripse0
- Direction
- higheste0
- Qualifier
- 2010e0
- Setting
- coarsest soils (low EC zones)e0
ThripsOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Population densities of thrips (2010) and nematodes (2010 and 2011) were highest in the coarsest soils (low EC zones).”
e1“cotton fields”
Claim · model-written summary
Nematode density in 2010 and 2011 was highest in coarse low EC cotton soil.
- Taxon
- cottonGossypium hirsutume1
- Outcome
- nematodese0
- Direction
- higheste0
- Qualifier
- 2010 and 2011e0
- Setting
- coarsest soils (low EC zones)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Population densities of thrips (2010) and nematodes (2010 and 2011) were highest in the coarsest soils (low EC zones).”
e1“cotton fields”
Claim · model-written summary
Seed treatments controlled thrips less effectively than aldicarb.
- Taxon
- cottonGossypium hirsutume1
- Treatment
- Seed treatmentse0
- Outcome
- controlling and suppressing thripse0
- Direction
- not as effectivee0
- Comparator
- aldicarbe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed treatments were not as effective in controlling and suppressing thrips and nematodes as aldicarb.”
e1“cotton fields”
Claim · model-written summary
Seed treatments controlled nematodes less effectively than aldicarb.
- Taxon
- cottonGossypium hirsutume1
- Treatment
- Seed treatmentse0
- Outcome
- suppressing thrips and nematodese0
- Direction
- not as effectivee0
- Comparator
- aldicarbe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed treatments were not as effective in controlling and suppressing thrips and nematodes as aldicarb.”
e1“cotton fields”
Claim · model-written summary
Adding aldicarb increased seed treatment efficacy.
- Taxon
- cottonGossypium hirsutume1
- Treatment
- addition of aldicarb to seed treatmentse0
- Outcome
- efficacy of these productse0
- Direction
- increasede0
- Comparator
- seed treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The addition of aldicarb to seed treatments increased the efficacy of these products.”
e1“cotton fields”
The same questions in other papers
seed treatment · Nematoda · Gossypium hirsutum (cotton)Positive and negative results
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7 in the opposite direction
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See all 8 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.