A) the deficiency of nitrogen
B) a bacterium
C) a fungus
D) a virus
Correct Answer: C
Solution :
?Foolish seedling disease? (Bakanae) in rice was caused by a fungus Gibberella fujikuroi (Fusarium moniliformie). It is also known as foot rot of rice. Deficiency of nitrogen causes chlorosis starting from older leaves, stunted growth due to decreased protein synthesis, smaller cells and inhibition or slow divisions, premature leaf fall, wrinkling of cereal grains etc. Blight disease of rice is caused by bacterium Xanthomonas oryzae.
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