Which statement best describes a translocated (systemic) herbicide?

Prepare for the WSDA Pest Control Operator Exam with comprehensive flashcards and multiple choice questions. Each question includes hints and explanations to ensure you're ready for your certification test.

Multiple Choice

Which statement best describes a translocated (systemic) herbicide?

Explanation:
Systemic (translocated) herbicides are absorbed by the plant and then moved through its vascular system to tissues away from the application site, such as roots and new growth. This internal movement lets the chemical affect parts of the plant that weren’t touched initially, which is crucial for controlling perennial weeds that survive with underground storage organs. The statement that best describes this is that it moves within the plant to reach roots. By contrast, products that act only on surface foliage are contact herbicides and don’t move inside the plant. Systemic herbicides aren’t inherently non-selective—they can be either selective or non-selective depending on the product—and they aren’t limited to soil application, as many are applied foliarly.

Systemic (translocated) herbicides are absorbed by the plant and then moved through its vascular system to tissues away from the application site, such as roots and new growth. This internal movement lets the chemical affect parts of the plant that weren’t touched initially, which is crucial for controlling perennial weeds that survive with underground storage organs. The statement that best describes this is that it moves within the plant to reach roots. By contrast, products that act only on surface foliage are contact herbicides and don’t move inside the plant. Systemic herbicides aren’t inherently non-selective—they can be either selective or non-selective depending on the product—and they aren’t limited to soil application, as many are applied foliarly.

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