Which one is the wrong pairing for the disease and its causal organism?

[A] late blight of potato-Alternaria solani

[B] Black rust of wheat-Puccinia graminis

[C] Loose smut of wheat-Ustilago nuda

[D] Root-knot of vegetables-Meloidogyne sp

Answer & Explanation
Answer: late blight of potato-Alternaria solani