| abstract |
The invention discloses an N-pyridine aryloxy phenoxy carboxylic acid derivative shown as a formula (I) and a preparation method and application thereof. In the formula Ar 1 、Ar 2 、R、R’、R 1 、R 2 、R 3 、R 4 M, n, p, q, X have the meanings given in the description. The compound of the formula (I) has biological activities of weeding, sterilizing and killing insects, and particularly has high activity on monocotyledonous weeds such as moleplant seed. |