Which of the following diseases is caused by bacteria?
A
Tobacco mosaic
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B
Black rot of crucifers
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C
Red rot of sugarcane
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D
Late blight of potato
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Solution
The correct option is B Black rot of crucifers Black rot of crucifers is caused by Xanthomonas campestris pv. campestris a bacterial disease common to all cruciferous plants like Broccoli, cabbage, Kale etc. Infecting the stem, leaf, inflorescence and roots.
So, the correct answer is 'Black rot of crucifers'