Question

Identify the bacterial disease among the following:

• A. Brown rust of wheat
• B. Tobacco mosaic disease
• C. Black rot of crucifers
• D. Late blight of potato

Hint:

Early identification of bacterial diseases is key to effective crop management.

Answer 1

The Correct Option is C

The bacterial disease among the options is Black rot of crucifers.

(A) Brown rust of wheat - Incorrect: Caused by fungus Puccinia triticina.

(B) Tobacco mosaic disease - Incorrect: Caused by TMV (Tobacco Mosaic Virus).

(C) Black rot of crucifers - Correct: Caused by Xanthomonas campestris pv. campestris bacteria.

(D) Late blight of potato - Incorrect: Caused by oomycete Phytophthora infestans.

The correct answer is (C) Black rot of crucifers, caused by a Gram-negative bacterium affecting cabbage-family plants.