A) potato
B) Citrus
C) tomato
D) wheat
Correct Answer: B
Solution :
Xanthomonas citri causes citrus canker disease. Infection causes lesions on the leaves, stems, and fruit of Citrus trees, including lime, oranges and grapefruit. While not harmful to humans, canker significantly affects the vitality of Citrus tress, causing leaves and fruit to drop prematurely; a fruit infected with canker is safe to eat but too unsightly to be sold.
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