| abstract |
The invention belongs to the field of agricultural fungicides and insecticides, in particular to a novel pyrimidinediamine compound and use thereof. The structure of pyrimidinediamine compounds is shown in general formula I: The definition of each substituent in the formula is shown in the specification. The compound of the invention has broad-spectrum bactericidal and insecticidal activity, and has excellent control effect on cucumber downy mildew, corn rust, wheat powdery mildew, rice blast and cucumber botrytis, especially cucumber downy mildew, corn rust and cucumber The control effect of botrytis cinerea is better, and it also has excellent control effect on diamondback moth and aphids, and a very good effect can be obtained at a very low dose. The compound of the present invention also has the characteristics of simple preparation method and the like. |