Abstract
This work was based on field screening procedure to detect the population density of Aphis craccivora for two successive seasons (2004–2005) and (2005–2006) to emphasis the relation between the economic injury level (EIL) and yield loss. Results obtained showed that the equilibrium position (steady point) during the first and second season was 9.06 and 3.32 individuals/five leaflets, respectively, while the injury level was 3.4 and 1.16 individuals/leaflets. When the bean plant was subjected to three successive insecticidal applications during the early growing, season is sufficient to decrease the yield loss significantly (yield capacity 21.43 Ard./fed.) with comparing to untreated plant (14.98 Ard./fed.), while the plants exposure for one treatment was 17.36 Ard./fed. The EIL was 8.6 individual of aphids/plant depending on the market price of bean and control cost during the season.
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Claims 7
Claim · model-written summary
The first season equilibrium position of Aphis craccivora was 9.06 individuals/five leaflets.
- Taxon
- Aphis craccivora
Aphis craccivorat1 - Outcome
- equilibrium positione0
- Value
- 9.06e0
- Qualifier
- firste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the equilibrium position (steady point) during the first and second season was 9.06 and 3.32 individuals/five leaflets, respectively”
t0“faba bean”
t1“Aphis craccivora”
Claim · model-written summary
The second season equilibrium position of Aphis craccivora was 3.32 individuals/five leaflets.
- Taxon
- Aphis craccivoraAphis craccivorat0
- Outcome
- equilibrium positione0
- Value
- 3.32 individuals/five leafletse0
- Qualifier
- second seasone0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the equilibrium position (steady point) during the first and second season was 9.06 and 3.32 individuals/five leaflets, respectively”
t0“Aphis craccivora”
Claim · model-written summary
The first season Aphis craccivora injury level was 3.4 individuals/leaflets.
- Taxon
- Aphis craccivoraAphis craccivorat0
- Outcome
- injury levele0
- Value
- 3.4e0
- Qualifier
- firste1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the injury level was 3.4 and 1.16 individuals/leaflets”
e1“the equilibrium position (steady point) during the first and second season was 9.06 and 3.32 individuals/five leaflets, respectively”
t0“Aphis craccivora”
Claim · model-written summary
The second season Aphis craccivora injury level was 1.16 individuals/leaflets.
- Taxon
- Aphis craccivoraAphis craccivorat0
- Outcome
- injury levele0
- Value
- 1.16 individuals/leafletse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the injury level was 3.4 and 1.16 individuals/leaflets”
t0“Aphis craccivora”
Claim · model-written summary
Three early insecticide applications significantly reduced yield loss in faba bean compared with untreated plants.
- Taxon
- faba bean
Vicia fabat0 - Treatment
- three successive insecticidal applicationse0
- Interactor
- Aphis craccivoraAphis craccivorat1pest
- Outcome
- yield losse0
- Direction
- decreasee0
- Value
- 21.43 Ard./fed.e0
- Qualifier
- 14.98 Ard./fed.e0
- Comparator
- untreated plante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“three successive insecticidal applications during the early growing, season is sufficient to decrease the yield loss significantly (yield capacity 21.43 Ard./fed.) with comparing to untreated plant (14.98 Ard./fed.)”
t0“faba bean”
t1“Aphis craccivora”
Claim · model-written summary
One insecticide treatment gave bean yield capacity of 17.36 Ard./fed.
- Taxon
- faba beanVicia fabat0
- Treatment
- one treatmente0
- Interactor
- Aphis craccivoraAphis craccivorat1pest
- Outcome
- plants exposuree0
- Value
- 17.36 Ard./fed.e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“while the plants exposure for one treatment was 17.36 Ard./fed.”
t0“faba bean”
t1“Aphis craccivora”
Claim · model-written summary
The economic injury level for aphids was 8.6 individuals per plant, based on bean price and control cost.
- Taxon
- Aphis craccivoraAphis craccivorat0
- Outcome
- EILe0
- Value
- 8.6 individual of aphids/plante0
- Qualifier
- market price of bean and control coste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The EIL was 8.6 individual of aphids/plant depending on the market price of bean and control cost during the season.”
t0“Aphis craccivora”
The same questions in other papers
insecticide · Aphis craccivora · Vicia faba (faba bean)Results agree
2 papers in the same direction as this paper
- positive
- positive
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.