1-aryltetrahydropyridazine-3,5-dione derivative or salt thereof and insecticidal agent containing the compound and method for using same

Abstract

For example, in agricultural and horticultural crop production, pests, etc. still cause heavy damage, and there is a demand for the development of novel agricultural and horticultural insecticidal agents due to factors such as the emergence of pests resistant to existing drugs. The present invention has found that a compound represented by the general formula (1): wherein Rrepresents an alkoxycarbonyl group or the like, Rrepresents a substituted phenyl group or the like, Rrepresents a hydrogen atom or the like, Rrepresents a substituted phenyl group or the like, Rrepresents an alkyl group or the like, Y represents an oxygen atom or the like and m and n each represent 0 or 1, or a salt thereof exhibits a high insecticidal effect on pests, etc. in the agricultural and horticultural field, and provides an agricultural and horticultural insecticidal agent comprising the same as an active ingredient and a method for using the same.