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Question
Which plants serve as the target species harmed by the juglone released by the Black Walnut tree?
Options
Barley and Sorghum
Staphylococcus and Penicillium
Sunflower and Maize
Apple and Tomato plants
MCQ
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Solution
The Black Walnut tree (Juglans nigra) releases juglone through its roots, causing lethal wilting in nearby apple and tomato plants. These plants act as the target species in this allelopathic amensalism.
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