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

Which one is the wrong pairing for the disease and its causal organism?
  1. Late blight of potato-Alternaria solani
  2. Black rust of wheat-Puccinia graminis
  3. Loose smut of wheat-Ustilago nuda
  4. Root-knot of vegetables-Meloidogyne sp.

Solution

The causative agent of late blight of potato is fungus Phytophthora infestans, class-Oomycetes, order-Peronosporales, family-Pythiaceae. In India, the late blight of potato is a seed born disease.

Asked in: NEET 2009 (Screening)

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