| 摘要 |
PROBLEM TO BE SOLVED: To provide an insect pest extermination formulation that is excellent in safety and can obtain a high insect pest extermination effect.SOLUTION: A solid grape insect pest extermination formulation includes: an insecticidal component having a hard volatilization property at an atmospheric temperature; and a sublimable substance that has an easier volatilization property than that of the insecticidal component at an atmospheric temperature, and in the grape insect pest extermination formulation, a volume reduces with time or a form is broken with time by sublimation of the sublimable substance, a content of the insecticidal component in the formulation does not substantially reduce with time, and a concentration of the insecticidal component in the formulation increases with a balance change of a volume of the formulation and a content of the insecticidal component. |
