Black (stem) rust of wheat is caused by

Black (stem) rust of wheat is caused by
  1. Alternaria solani
  2. Ustilago nuda
  3. Puccinia graminis
  4. Xanthomonas oryzae

Solution

Black (stem) rust of wheat is caused by Puccinia graminis tritici, a fungus belonging to Sub-class-Teliomycetidae, OrderUredinales. It is a heteroecious species which completes its life cycle on two plants, ie, barberry (Berberis) plant and wheat (Triticum aestivum .

Asked in: NEET 2010 (Mains)

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