| 摘要 |
PROBLEM TO BE SOLVED: To provide an extermination method for effectively extinguishing specified harmful animals, and giving no damage to the other animals and plants, and an extermination tool therefor.SOLUTION: Provided is an extermination tool having a copper-zinc alloy fiber 12 in which the alloy of copper and zinc is made fibrous. The copper-zinc alloy fiber 12 is stored in a bag-shaped net body 14, and is installed in water 16 where Pomacea canaliculate and Limnoperna forthnei as harmful animals as extermination objects are inhabited. The copper ions and zinc ions start to dissolve from the copper-zinc fiber 12, and, by the action of the copper ions and the zinc ions, the Pomacea canaliculate is exterminated.SELECTED DRAWING: Figure 1 |
