What is the correct interpretation of the rate stated on a pesticide label and why is accuracy critical?

• A. The rate is a rough guide that changes with weather.
• B. The rate corresponds to the cost of the product.
• C. The rate stated on the label is optional and can be ignored if necessary.
• D. The rate stated on the label is the only legal rate; accuracy ensures efficacy and minimizes environmental harm.

Answer: (D)