| abstract |
(57) [Abstract] [Purpose] To provide an insecticidal fungicide for agricultural and horticultural use, which has a broadly excellent control effect against pests and diseases of crops such as rice, wheat and fruit trees and vegetables. [Structure] General formula (I) [A = 1,2,4-triazol-1-yl etc., n = 1,2,3, X = H, halogen atom, phenyl group and the like. ] An agricultural and horticultural insecticidal and bactericidal composition comprising the compound of claim 1, O, O-diethyl-S-2-ethylthioethyl phosphorodithioate, and the like. [Effects] The composition of the present invention is useful for various plant diseases and insect pests, such as rice blight, rice blast, planthoppers, leafhoppers, fruit and vegetable aphids, diamondback moth, leaf rot, black scab, powdery mildew, and wheat aphid. Since it exhibits synergistic efficacy against powdery mildew, rust, etc., it is an excellent insecticide for agricultural and horticultural use. |