Effects of Methoprene on Lesser Grain Borer Eggs and Adults
Author Information
Author(s): Chanbang Y., Arthur F. H., Wilde G. E., Throne J. E., Subramanyam Bh.
Primary Institution: Chiang Mai University
Hypothesis
How does methoprene affect the hatch rate of Rhyzopertha dominica eggs and the fecundity of adult insects?
Conclusion
Methoprene significantly reduces the hatch rate of Rhyzopertha dominica eggs and decreases the number of eggs laid by adults.
Supporting Evidence
- The hatch rate of eggs exposed to methoprene was significantly lower than that of untreated controls.
- Adults exposed to methoprene laid only 24% of the eggs compared to untreated adults.
- None of the larvae from eggs on treated rice emerged as adults.
Takeaway
Methoprene is a chemical that helps keep bugs from growing, and it makes it harder for the lesser grain borer to have babies.
Methodology
The study involved exposing eggs and adults of Rhyzopertha dominica to different concentrations of methoprene and measuring hatch rates and fecundity.
Limitations
The study was conducted under controlled laboratory conditions, which may not fully represent field conditions.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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