Certified Arborist Practice Exam

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Prepare for the Certified Arborist Exam with our comprehensive online quiz. Study using flashcards, multiple-choice questions, and detailed explanations to ace your certification test!

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What is the main cause of transplant shock for trees?

Wind stress
Solar radiation
Water stress
Atmospheric humidity

The correct answer is: Water stress

The main cause of transplant shock for trees is water stress. When a tree is transplanted, it experiences a significant disruption to its root system, which impacts its ability to uptake water efficiently. The loss of roots can result in insufficient water absorption to meet the tree's needs, especially in its new environment where it may face different soil conditions, moisture levels, and temperatures compared to its original location. Water stress not only affects the tree's ability to sustain itself but also inhibits necessary physiological processes, leading to symptoms such as wilting, leaf drop, and overall decline in health. Addressing this issue through proper watering techniques during and after transplanting is crucial to help alleviate transplant shock and support recovery.