Question: What bacterial disease commonly affects rice plants?
Options:
Brown leaf spot
Leaf blight
Blast
False smut
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📌Other Options Explanations:
-Brown leaf spot: A fungal disease of rice
-Blast: A fungal disease of rice caused by the fungus Magnaporthe oryzae.
-False smut: A fungal disease of rice caused by the fungus Ustilaginoidea virens.
🔑Key Points:
-Rice bacterial blight, also called bacterial blight of rice, is a deadly bacterial disease caused due to Xanthomonas oryzae.
-It is one of the most important diseases of rice in most rice growing countries.
-In this disease, yellowish-green spots are seen on both sides of the leaves.
-Vascular bundles also get blocked due to bacterial growth.
-Severely infected leaves tend to dry quickly and there is a loss in grain yield may be up to 60%.