What is the mechanism by which synthetic auxins are routinely used to control weeds?

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Synthetic auxins are used to control weeds by causing them to grow excessively fast. This rapid growth depletes their ATP (energy) reserves, leaving insufficient energy for other essential plant functions, ultimately leading to the weed's death. This method exploits the difference in growth regulation between the target weeds and the surrounding desirable plants, often with the weeds being more susceptible to the effects of the synthetic auxins.

What Is the Mechanism by Which Synthetic Auxins Are Routinely