Abstract
Field evaluation of fall armyworm, Spodoptera frugiperda (J. E. Smith) feeding on yield and quality of bermudagrass, Cynodon dactylon (L.) Pers., var. ‘Alicia’, was studied during the 1983–1984 growing season. Yield losses of ‘Alicia’ ranged from 0.3 to 0.9 metric ton per ha when plots were infested with population densities of 1.1 to 9.9 larvae/0.1 m2, respectively. ‘Alicia’ was more tolerant to fall armyworm than ‘Coastal’ as indicated by lower damage ratings and losses in forage quality.
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Claims 3
Claim · model-written summary
Fall armyworm densities of 1.1 to 9.9 larvae per 0.1 m2 caused 0.3 to 0.9 metric ton per ha yield losses in Alicia bermudagrass.
- Taxon
- bermudagrass
Cynodon dactylone1 - Material
- ‘Alicia’e0
- Treatment
- infested with population densities of 1.1 to 9.9 larvae/0.1 m2e0
- Outcome
- Yield lossese0
- Direction
- lossese0
- Value
- 0.3 to 0.9 metric ton per hae0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yield losses of ‘Alicia’ ranged from 0.3 to 0.9 metric ton per ha when plots were infested with population densities of 1.1 to 9.9 larvae/0.1 m2, respectively.”
e1“Field Evaluation of Fall Armyworm (Lepidoptera: Noctuidae) Feeding on Yield and Quality of ‘Alicia’ Bermudagrass”
Claim · model-written summary
Alicia had lower fall armyworm damage ratings than Coastal.
- Taxon
- bermudagrassCynodon dactylone1
- Material
- ‘Alicia’e0
- Interactor
- fall armyworm
.jpg?width=60)
Spodoptera frugiperdae0pest - Outcome
- damage ratingse0
- Direction
- lowere0
- Comparator
- ‘Coastal’e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“‘Alicia’ was more tolerant to fall armyworm than ‘Coastal’ as indicated by lower damage ratings and losses in forage quality.”
e1“Field Evaluation of Fall Armyworm (Lepidoptera: Noctuidae) Feeding on Yield and Quality of ‘Alicia’ Bermudagrass”
Claim · model-written summary
Alicia had lower forage quality losses than Coastal under fall armyworm feeding.
- Taxon
- bermudagrassCynodon dactylone1
- Material
- ‘Alicia’e0
- Interactor
- fall armywormSpodoptera frugiperdae0pest
- Outcome
- losses in forage qualitye0
- Direction
- lowere0
- Comparator
- ‘Coastal’e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“‘Alicia’ was more tolerant to fall armyworm than ‘Coastal’ as indicated by lower damage ratings and losses in forage quality.”
e1“Field Evaluation of Fall Armyworm (Lepidoptera: Noctuidae) Feeding on Yield and Quality of ‘Alicia’ Bermudagrass”
The same questions in other papers
infection · yield · Cynodon dactylon (Bermuda grass)Results agree
2 papers in the same direction as this paper
- negative
- no effect
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.