Claim · model-written summary
Petroleum spray oil significantly reduced bud infestation by Aphis pomi to 5.22% ± 0.54%, compared with 19.04% ± 2.34% in the untreated control.
- Taxon
- apple
Malus domesticat0 - Treatment
- PSOe7
- Interactor
- A. pomi
Aphis pomie7pest - Outcome
- bud infestatione7
- Direction
- reducede7
- Value
- 5.22% ± 0.54%e7
- Qualifier
- 19.04% ± 2.34%e7
- Comparator
- untreated controle7
Verbatim
t0“in Apple Orchards”
e7“Field trials further revealed that PSO significantly reduced bud infestation by A. pomi (5.22% ± 0.54%) compared to the untreated control (19.04% ± 2.34%), with enhanced suppression observed when combined with imidacloprid (0.29% ± 0.14%)”
Title
Mohd Abas Shah; Hafsa Ajaz Tramboo; Sheikh Aafreen Rehman; et al. Journal of Applied Entomology 2025. doi:10.1111/jen.70013
Other claims from this paper (8)
- Intervention effect Laboratory assays showed that 2% petroleum spray oil reduced cumulative egg hatch of Aphis pomi to 9.90% ± 0.57%.
- Intervention effect Field evaluation showed that 2% petroleum spray oil reduced cumulative egg hatch of Aphis pomi to 9.62% ± 0.71% in treated shoots.
- Intervention effect Treated Aphis pomi eggs had a significantly higher mortality risk.
- Observation Direct toxicity on Aphis pomi nymphs in field conditions gave mortality rates of 69.9% ± 1.95%.
- Observation Direct toxicity on Aphis pomi nymphs in lab dip assays gave mortality above 99% by 5 days after treatment.
- Observation Residual toxicity of petroleum spray oil on Aphis pomi nymphs reached cumulative mortality of 64.07% ± 2.74% by 2 days and remained effective after drying.
- Intervention effect Adding imidacloprid to petroleum spray oil enhanced suppression of Aphis pomi bud infestation, with 0.29% ± 0.14% infestation.
- Recommendation Petroleum spray oil is a potential standalone and synergistic agent for early-season aphid management in apple.