Impact of Insecticides on Bean Pests and Yield in Uganda
Author Information
Author(s): Halerimana Charles, Kyamanywa Samuel, Otim Michael H.
Primary Institution: Makerere University
Hypothesis
The study aims to determine the effects of insecticide spray regimes on the population dynamics of common bean pests and their impact on yield.
Conclusion
Insecticide treatments significantly influenced pest populations and increased grain yield and yield components.
Supporting Evidence
- Bean flies and leafhoppers were the most abundant pests observed.
- Treatment with imidacloprid and cypermethrin significantly reduced pest populations.
- Grain yield was positively related to yield components.
- Leafhoppers showed a significant negative relationship with grain yield.
Takeaway
This study shows that using certain insecticides can help reduce pests on bean plants and improve how much beans farmers can harvest.
Methodology
The study involved monitoring insect pests under different spray treatments in three agro-ecological zones over two rainy seasons.
Limitations
The study did not monitor key pests like flower thrips and pod borers during flowering and post-flowering stages.
Participant Demographics
The study involved smallholder farmers in Uganda.
Statistical Information
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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