| 摘要 |
Pesticidal compositions are disclosed which contain as active ingredients 1,3,4-thiadiazole-5(4H)-one derivatives of the formula WHEREIN R1 and R2 each represent lower alkyl, R3 represents lower alkyl optionally substituted by lower alkoxy or lower alkylthio, and X represents oxygen or sulphur; THESE COMPOSITIONS ARE USEFUL AS SOIL DISINFECTANT AND FOR CONTROLLING INSECTS, SPIDERS, SOIL FUNGI AND NEMATODES. |
