2,4-D, Dicamba, and Glyphosate are considered which type of growth regulators?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $24.99Unlock all

Prepare for the Michigan Certified Pesticide Category 6J Test with interactive quizzes, flashcards, and detailed explanations. Ensure your readiness with comprehensive practice questions.

Multiple Choice

2,4-D, Dicamba, and Glyphosate are considered which type of growth regulators?

Explanation:
These agents are described as auxin-type growth regulators because they mimic the natural plant hormone auxin, triggering abnormal growth patterns in weeds. Synthetic auxins like 2,4-D and Dicamba cause uncontrolled cell elongation and tissue damage, leading to the death of broadleaf weeds. Glyphosate, while a widely used herbicide, works through a different mechanism—blocking EPSP synthase in the shikimate pathway and not by acting as an auxin—so it isn’t an auxin-type growth regulator. The best fit among the choices is the auxin-type category, since the hallmark effect of these commonly known growth regulators is their auxin-mimicking action.

These agents are described as auxin-type growth regulators because they mimic the natural plant hormone auxin, triggering abnormal growth patterns in weeds. Synthetic auxins like 2,4-D and Dicamba cause uncontrolled cell elongation and tissue damage, leading to the death of broadleaf weeds. Glyphosate, while a widely used herbicide, works through a different mechanism—blocking EPSP synthase in the shikimate pathway and not by acting as an auxin—so it isn’t an auxin-type growth regulator. The best fit among the choices is the auxin-type category, since the hallmark effect of these commonly known growth regulators is their auxin-mimicking action.

More Multiple Choice Questions
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy