Abstract
Agriotes obscurus (L.) wireworms assembled in increasing numbers at rows of treated (Agrox DL Plus seed treatment) and untreated wheat, Triticum aestivum L., planted at increasing densities (0, 0.15, 0.30, and 0.60 seeds/cm). In treated wheat plots at all planting densities, no wireworm damage to seedlings was apparent, and total wireworms taken in core samples in wheat rows increased according to the asymptotic equation y = B0(1 -e(-Blx)), where B0 is the asymptote, B1 is the slope of the initial rise, and x is the seeding density. The number of dead wireworms in treated plots increased linearly and intercepted the asymptotic models (theoretical point at which 100% mortality of assembled population occurs) at 0.95 seeds/cm on 11 June and 1.14 seeds/cm on 18 June 1996. Untreated wheat at all densities planted had severe wireworm damage and significantly reduced stand. Populations that had assembled at the surviving untreated wheat were fewer than in the treated wheat plots, and although increasing with seeding density, did not follow the asymptotic model. The data suggest that A. obscurus populations can be assembled and killed in fallowed fields in large numbers at treated trap crops of wheat over a 19-d period when planted in rows spaced 1 m apart at a linear seeding density of 1.5 seeds/cm.
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Claims 11
Claim · model-written summary
Wireworms assembled in increasing numbers at wheat rows as planting density increased.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- increasing densitiese0
- Interactor
- Agriotes obscurus (L.)
Agriotes obscuruse0pest - Outcome
- wireworms assemblede0
- Direction
- increasing numberse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Agriotes obscurus (L.) wireworms assembled in increasing numbers at rows of treated (Agrox DL Plus seed treatment) and untreated wheat, Triticum aestivum L., planted at increasing densities (0, 0.15, 0.30, and 0.60 seeds/cm).”
Claim · model-written summary
No wireworm damage to seedlings was apparent in treated wheat plots at all planting densities.
- Taxon
- wheatTriticum aestivume0
- Organ / stage
- seedlingse0
- Treatment
- treatede0
- Interactor
- wireworme0pest
- Outcome
- no wireworm damage to seedlings was apparente0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In treated wheat plots at all planting densities, no wireworm damage to seedlings was apparent”
Claim · model-written summary
Total wireworms in treated wheat rows rose asymptotically with seeding density.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- seeding densitye0
- Interactor
- wirewormse0pest
- Outcome
- total wireworms taken in core samplese0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“total wireworms taken in core samples in wheat rows increased according to the asymptotic equation y = B0(1 -e(-Blx)), where B0 is the asymptote, B1 is the slope of the initial rise, and x is the seeding density”
t0“Wheat”
Claim · model-written summary
Dead wireworm counts in treated plots rose linearly with seeding density.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- treated plotse0
- Interactor
- wirewormse0pest
- Outcome
- number of dead wirewormse0
- Direction
- increased linearlye0
- Qualifier
- theoretical point at which 100% mortality of assembled population occurse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The number of dead wireworms in treated plots increased linearly and intercepted the asymptotic models (theoretical point at which 100% mortality of assembled population occurs) at 0.95 seeds/cm on 11 June and 1.14 seeds/cm on 18 June 1996.”
t0“Wheat”
Claim · model-written summary
The dead-wireworm line met the modeled 100% mortality point at 0.95 seeds/cm on 11 June.
- Taxon
- WheatTriticum aestivumt0
- Interactor
- wirewormse1pest
- Outcome
- 100% mortality of assembled populatione1
- Value
- 0.95 seeds/cme0
- Qualifier
- 11 Junee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“at 0.95 seeds/cm on 11 June and 1.14 seeds/cm on 18 June 1996”
e1“The number of dead wireworms in treated plots increased linearly and intercepted the asymptotic models (theoretical point at which 100% mortality of assembled population occurs)”
t0“Wheat”
Claim · model-written summary
The dead-wireworm line met the modeled 100% mortality point at 1.14 seeds/cm on 18 June 1996.
- Taxon
- WheatTriticum aestivumt0
- Interactor
- wirewormse1pest
- Outcome
- 100% mortality of assembled populatione1
- Value
- 1.14 seeds/cme0
- Qualifier
- 18 June 1996e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“at 0.95 seeds/cm on 11 June and 1.14 seeds/cm on 18 June 1996”
e1“The number of dead wireworms in treated plots increased linearly and intercepted the asymptotic models (theoretical point at which 100% mortality of assembled population occurs)”
t0“Wheat”
Claim · model-written summary
Untreated wheat at every planting density had severe wireworm damage.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Untreatede0
- Interactor
- wireworme0pest
- Outcome
- severe wireworm damagee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Untreated wheat at all densities planted had severe wireworm damage and significantly reduced stand.”
Claim · model-written summary
Untreated wheat at every planting density had a significantly reduced stand.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Untreatede0
- Outcome
- stande0
- Direction
- reducede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Untreated wheat at all densities planted had severe wireworm damage and significantly reduced stand.”
Claim · model-written summary
Fewer wireworms assembled at surviving untreated wheat than in treated wheat plots.
- Taxon
- wheatTriticum aestivume0
- Interactor
- Populationse0pest
- Outcome
- Populations that had assemblede0
- Direction
- fewere0
- Comparator
- treated wheat plotse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Populations that had assembled at the surviving untreated wheat were fewer than in the treated wheat plots”
Claim · model-written summary
Wireworm populations at surviving untreated wheat increased with seeding density but did not follow the asymptotic model.
- Taxon
- wheatTriticum aestivume0
- Treatment
- seeding densitye0
- Interactor
- Agriotes obscurusAgriotes obscurust0pest
- Outcome
- Populations that had assemblede0
- Direction
- increasinge0
- Qualifier
- did not follow the asymptotic modele0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Populations that had assembled at the surviving untreated wheat were fewer than in the treated wheat plots, and although increasing with seeding density, did not follow the asymptotic model.”
t0“Agriotes obscurus”
Claim · model-written summary
The authors suggest that treated wheat trap crops can assemble and kill many A. obscurus in fallow fields over 19 days at the specified row spacing and seeding density.
- Taxon
- wheatTriticum aestivume0
- Treatment
- treated trap cropse0
- Interactor
- A. obscurusAgriotes obscuruse0pest
- Outcome
- assembled and killed in fallowed fields in large numberse0
- Value
- 19-de0
- Qualifier
- rows spaced 1 m apart at a linear seeding density of 1.5 seeds/cme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The data suggest that A. obscurus populations can be assembled and killed in fallowed fields in large numbers at treated trap crops of wheat over a 19-d period when planted in rows spaced 1 m apart at a linear seeding density of 1.5 seeds/cm.”