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Question

Black rot of crucifer is caused by

A
Virus
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B
Bacteria
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C
Fungi
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D
Protozoa
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Solution

The correct option is B Bacteria
Black rot is a prevalent bacterial disease in crucifers caused by the pathogen Xanthomonas campestris.

The pathogen initially attacks the leaves. The infected tissue shows wilting and the colour changes from pale green to yellow to finally brown and thereafter it dies.

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