Gas injury near utility lines is often suggested by which clue?

Study for the Maryland Pesticide Applicator Category 3 test. Prepare with flashcards and multiple-choice questions, complete with hints and explanations. Get exam-ready now!

Multiple Choice

Gas injury near utility lines is often suggested by which clue?

Explanation:
Gas injury from buried utility lines shows up as a rapid, localized decline in plants near the source. When a line leaks, soil gases affect the root zone quickly, causing sudden dieback or yellowing in the area around the line—often within about 100 feet. This abrupt pattern is a key clue that points to gas-related damage rather than other problems. By contrast, gradual yellowing over months suggests nutrient deficiencies or other chronic stresses; pests feeding on leaves create visible insect damage patterns rather than sudden decline tied to a line; and water-logged soil leads to symptoms related to poor drainage, not proximity to a gas source.

Gas injury from buried utility lines shows up as a rapid, localized decline in plants near the source. When a line leaks, soil gases affect the root zone quickly, causing sudden dieback or yellowing in the area around the line—often within about 100 feet. This abrupt pattern is a key clue that points to gas-related damage rather than other problems.

By contrast, gradual yellowing over months suggests nutrient deficiencies or other chronic stresses; pests feeding on leaves create visible insect damage patterns rather than sudden decline tied to a line; and water-logged soil leads to symptoms related to poor drainage, not proximity to a gas source.

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