To provide a compound capable of effectively controlling major weeds of higher foliar age which represent a practical problem. Provided is a specific pyrazolyl-pyrazole derivative that is represented by formula (I) and that makes it possible to solve the abovementioned problem.本發明之課題係提供可有效果地防治實用上成為問題之較高葉齡的重要雜草的化合物。本發明之解決手段係揭示可解決上述課題的式(I)所表示的特定吡唑吡唑衍生物。