Washington Agricultural and Right-of-Way Pesticide Practice Test 2025 - Free Pesticide License Practice Questions and Study Guide

Question: 1 / 400

Which herbicide acts as a microtubule assembly inhibitor?

Telar

Bromox

Oust

Suflan

The herbicide that acts as a microtubule assembly inhibitor is D. Suflan. Microtubules are critical components of the cytoskeleton in plant cells, involved in cell division and the maintenance of cell shape. By inhibiting microtubule assembly, Suflan disrupts vital cellular processes, particularly affecting the mitosis of plant cells and ultimately leading to the plant's inability to grow and thrive.

Understanding this mechanism is important for recognizing how Suflan and similar herbicides effectively control unwanted plant growth by interrupting fundamental physiological processes. Other herbicides listed may work through different modes of action, but Suflan's specific impact on microtubule assembly is what distinguishes it in this context.

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