| abstract |
The invention discloses a pyridazinone compound, which has a structure shown as a general formula I: the definition of each substituent group in the formula is shown in the specification. The compound of the invention has broad-spectrum bactericidal, insecticidal and acaricidal activity, and has excellent control effects on cucumber downy mildew, wheat powdery mildew, corn rust, rice blast, cucumber anthracnose and the like. |