Abstract
Two methods for estimating absolute densities of three size classes of velvetbean caterpillar, Anticarsia gemmatalis (Hübner) (Lepidoptera: Noctuidae), larvae in soybean fields are described and evaluated. These absolute-density estimation methods, sweep-net and ground-cloth, were used to sample field populations of velvetbean caterpillar larvae in soybean. These data were used to derive equations converting sweep-net and ground-cloth larval density estimates to absolute-density estimates. Calibration equations for converting sweep-net estimates to ground-cloth estimates are also presented.
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Claims 3
Claim · model-written summary
Sweep-net sampling was evaluated for estimating absolute caterpillar larval density in soybean.
- Taxon
- soybean
Glycine maxe0 - Interactor
- velvetbean caterpillar
Anticarsia gemmatalise0pest - Outcome
- absolute-density estimatione0
- Comparator
- ground-clothe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These absolute-density estimation methods, sweep-net and ground-cloth, were used to sample field populations of velvetbean caterpillar larvae in soybean”
t0“Velvetbean Caterpillar,Anticarsia gemmatalis(Hübner) in Soybean”
Claim · model-written summary
Equations converted sweep-net and ground-cloth density estimates to absolute estimates.
- Taxon
- SoybeanGlycine maxt0
- Interactor
- Anticarsia gemmatalisAnticarsia gemmatalist0pest
- Outcome
- absolute-density estimatese0
- Comparator
- sweep-net and ground-cloth larval density estimatese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These data were used to derive equations converting sweep-net and ground-cloth larval density estimates to absolute-density estimates”
t0“Velvetbean Caterpillar,Anticarsia gemmatalis(Hübner) in Soybean”
Claim · model-written summary
Calibration equations converted sweep-net estimates to ground-cloth estimates.
- Taxon
- SoybeanGlycine maxt0
- Interactor
- Anticarsia gemmatalisAnticarsia gemmatalist0pest
- Outcome
- ground-cloth estimatese0
- Comparator
- sweep-net estimatese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Calibration equations for converting sweep-net estimates to ground-cloth estimates are also presented”
t0“Velvetbean Caterpillar,Anticarsia gemmatalis(Hübner) in Soybean”