Abstract
Functional relationships of Lygus lineolaris (Palisot de Beauvois) and selected predator densities estimated with sweep net, drop cloth, whole-plant-bag samples (WPBS), and visual search were determined in early to mid-season cotton. Slopes of relative as a function of absolute densities were not different between years for most taxa. When compared against absolute density estimates (WPBS or visual search) drop-cloth estimates were generally more precise and captured a larger percentage of arthropods than 10-sweep samples of the sweep net. With few exceptions (notably Geocoris spp. nymphs) the proportion of the absolute density estimated by drop-cloth or sweep-net samples was low (ca. 10–30%). Reasonably precise relationships (R2> 0.50) of relative over absolute density were obtained for nymphs of Geocoris spp., L. lineolaris, and Orius spp.; Orius spp. adults; and spiders. Relationships using total predator counts generally had greater precision than those using individual species and stages. Adults of Geocoris spp., Coccinellidae, and possibly L. lineolaris, however, were not estimated with precision by drop-cloth or sweep-net samples.
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Claims 12
Claim · model-written summary
Slopes of relative as a function of absolute densities were not different between years for most taxa in cotton.
- Taxon
- cotton
Gossypium hirsutume0 - Outcome
- Slopes of relative as a function of absolute densitiese1
- Direction
- not differente1
- Qualifier
- for most taxae1
- Comparator
- between yearse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“early to mid-season cotton”
e1“Slopes of relative as a function of absolute densities were not different between years for most taxa”
Claim · model-written summary
Drop-cloth estimates were generally more precise than 10-sweep samples of the sweep net and captured a larger percentage of arthropods.
- Taxon
- cottonGossypium hirsutume0
- Outcome
- percentage of arthropodse2
- Direction
- more precisee2
- Comparator
- 10-sweep samples of the sweep nete2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“early to mid-season cotton”
e2“drop-cloth estimates were generally more precise and captured a larger percentage of arthropods than 10-sweep samples of the sweep net”
Claim · model-written summary
The proportion of the absolute density estimated by drop-cloth or sweep-net samples was low (ca. 10-30%), with few exceptions such as Geocoris spp. nymphs.
- Taxon
- cottonGossypium hirsutume0
- Outcome
- the proportion of the absolute density estimated by drop-cloth or sweep-net samplese3
- Direction
- was lowe3
- Value
- ca. 10–30%e3
- Qualifier
- With few exceptions (notably Geocoris spp. nymphs)e3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“early to mid-season cotton”
e3“With few exceptions (notably Geocoris spp. nymphs) the proportion of the absolute density estimated by drop-cloth or sweep-net samples was low (ca. 10–30%)”
Claim · model-written summary
Reasonably precise relationships (R2> 0.50) of relative over absolute density were obtained for Geocoris spp. nymphs.
- Taxon
- cottonGossypium hirsutume0
- Organ / stage
- nymphse4
- Outcome
- relative over absolute densitye4
- Value
- R2> 0.50e4
GeocorisOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“early to mid-season cotton”
e4“Reasonably precise relationships (R2> 0.50) of relative over absolute density were obtained for nymphs of Geocoris spp., L. lineolaris, and Orius spp.; Orius spp. adults; and spiders”
Claim · model-written summary
Reasonably precise relationships (R2> 0.50) of relative over absolute density were obtained for Lygus lineolaris nymphs.
- Taxon
- cottonGossypium hirsutume0
- Organ / stage
- nymphse4
- Interactor
- L. lineolaris
Lygus lineolarise4pest - Outcome
- relative over absolute densitye4
- Value
- R2> 0.50e4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“early to mid-season cotton”
e4“Reasonably precise relationships (R2> 0.50) of relative over absolute density were obtained for nymphs of Geocoris spp., L. lineolaris, and Orius spp.; Orius spp. adults; and spiders”
Claim · model-written summary
Reasonably precise relationships (R2> 0.50) of relative over absolute density were obtained for Orius spp. nymphs.
- Taxon
- cottonGossypium hirsutume0
- Organ / stage
- nymphse4
- Outcome
- relative over absolute densitye4
- Value
- R2> 0.50e4
OriusOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“early to mid-season cotton”
e4“Reasonably precise relationships (R2> 0.50) of relative over absolute density were obtained for nymphs of Geocoris spp., L. lineolaris, and Orius spp.; Orius spp. adults; and spiders”
Claim · model-written summary
Reasonably precise relationships (R2> 0.50) of relative over absolute density were obtained for Orius spp. adults.
- Taxon
- cottonGossypium hirsutume0
- Organ / stage
- adultse4
- Outcome
- relative over absolute densitye4
- Value
- R2> 0.50e4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“early to mid-season cotton”
e4“Reasonably precise relationships (R2> 0.50) of relative over absolute density were obtained for nymphs of Geocoris spp., L. lineolaris, and Orius spp.; Orius spp. adults; and spiders”
Claim · model-written summary
Reasonably precise relationships (R2> 0.50) of relative over absolute density were obtained for spiders.
- Taxon
- cottonGossypium hirsutume0
- Outcome
- relative over absolute densitye4
- Value
- R2> 0.50e4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“early to mid-season cotton”
e4“Reasonably precise relationships (R2> 0.50) of relative over absolute density were obtained for nymphs of Geocoris spp., L. lineolaris, and Orius spp.; Orius spp. adults; and spiders”
Claim · model-written summary
Relationships using total predator counts had greater precision than those using individual species and stages.
- Taxon
- cottonGossypium hirsutume0
- Outcome
- precisione6
- Direction
- greatere6
- Comparator
- individual species and stagese6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“early to mid-season cotton”
e6“Relationships using total predator counts generally had greater precision than those using individual species and stages”
Claim · model-written summary
Adults of Geocoris spp. were not estimated with precision by drop-cloth or sweep-net samples.
- Taxon
- cottonGossypium hirsutume0
- Organ / stage
- Adultse7
- Outcome
- estimated with precisione7
- Direction
- not estimated with precisione7
- Comparator
- drop-cloth or sweep-net samplese7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“early to mid-season cotton”
e7“Adults of Geocoris spp., Coccinellidae, and possibly L. lineolaris, however, were not estimated with precision by drop-cloth or sweep-net samples”
Claim · model-written summary
Adults of Coccinellidae were not estimated with precision by drop-cloth or sweep-net samples.
- Taxon
- cottonGossypium hirsutume0
- Organ / stage
- Adultse7
- Interactor
- CoccinellidaeCoccinellidaee7biocontrol_agent
- Outcome
- estimated with precisione7
- Direction
- not estimated with precisione7
- Comparator
- drop-cloth or sweep-net samplese7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“early to mid-season cotton”
e7“Adults of Geocoris spp., Coccinellidae, and possibly L. lineolaris, however, were not estimated with precision by drop-cloth or sweep-net samples”
Claim · model-written summary
Adults of Lygus lineolaris were possibly not estimated with precision by drop-cloth or sweep-net samples.
- Taxon
- cottonGossypium hirsutume0
- Organ / stage
- Adultse7
- Interactor
- L. lineolarisLygus lineolarise7pest
- Outcome
- estimated with precisione7
- Direction
- not estimated with precisione7
- Qualifier
- possiblye7
- Comparator
- drop-cloth or sweep-net samplese7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“early to mid-season cotton”
e7“Adults of Geocoris spp., Coccinellidae, and possibly L. lineolaris, however, were not estimated with precision by drop-cloth or sweep-net samples”