For cut stump treatment on larger stems, how much of the stump needs treatment?

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Prepare for the Oregon Forestry Pesticide Applicator Exam with flashcards and multiple choice questions. Each question includes hints and explanations to help you succeed. Get ready for your test!

Multiple Choice

For cut stump treatment on larger stems, how much of the stump needs treatment?

Explanation:
Cut-stump treatments work best when the herbicide contacts the living cambial tissue at the cut surface. For larger stems, the outer three inches around the entire circumference covers the active cambium just beneath the bark, allowing the chemical to be absorbed and moved through the sapwood to suppress resprouting. Treating only a small portion, like just the top or bottom inch, may miss cambial tissue and fail to stop sprouts. Treating the entire stump isn’t necessary and wastes product. Apply promptly after cutting to maximize uptake.

Cut-stump treatments work best when the herbicide contacts the living cambial tissue at the cut surface. For larger stems, the outer three inches around the entire circumference covers the active cambium just beneath the bark, allowing the chemical to be absorbed and moved through the sapwood to suppress resprouting. Treating only a small portion, like just the top or bottom inch, may miss cambial tissue and fail to stop sprouts. Treating the entire stump isn’t necessary and wastes product. Apply promptly after cutting to maximize uptake.

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