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Selective Arcing Electrostatically Eradicates Rice Weevils in Rice Grains.

Koji Kakutani¹, Yoshihiro Takikawa², Yoshinori Matsuda³

¹Pharmaceutical Research and Technology Institute and Anti-Aging Centers, Kindai University, Osaka 577-8502, Japan.

|July 2, 2021

Summary

An arc discharge exposer (ADE) effectively kills rice weevils in stored grains. This simple electrostatic device uses an electric field to eliminate pests, offering a novel pest control method.

Keywords:

behavioral analysis electric field habitual behavior pest sound intensity stored product transient electric current

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Area of Science:

Agricultural Engineering
Entomology
Electrical Engineering

Background:

Stored rice is susceptible to pest infestations, particularly by rice weevils.
Effective pest control is crucial for maintaining the quality and quantity of stored agricultural products.

Purpose of the Study:

To develop and evaluate an novel electrostatic apparatus for controlling rice weevils in dried rice.
To assess the efficacy of an arc discharge exposer (ADE) in eliminating stored product pests.

Main Methods:

An arc discharge exposer (ADE) was designed with parallel metal plates connected to a voltage generator and ground.
Insects were lured out of rice grains using mechanical vibration, causing them to climb upward into the electric field.
Insects entering the electric field were killed by electrical discharge.

Main Results:

The ADE successfully killed rice weevils nesting in dried rice.
Mechanical vibration effectively lured weevils out of the rice grains.
The electrostatic apparatus demonstrated significant potential for pest removal.

Conclusions:

The developed arc discharge exposer (ADE) provides an effective and accessible method for controlling rice weevils in stored grains.
This electrostatic pest control technology is easy to construct and implement.
The ADE offers a promising alternative for managing stored product pests in rice.