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Which of the following fungi is not cause of damping off in nursery ?

  • A.Rhizoctonia
  • B.Phytophthora
  • C.Fusarium
  • D.Aspergillus

Answer: D

The fungus that does not cause damping off is Aspergillus.

Damping off kills seedlings in nurseries by rotting the stem at soil level or the seed before it emerges. It is caused mainly by soil-borne fungi and fungus-like organisms such as Pythium, Rhizoctonia, Phytophthora and Fusarium.

Aspergillus is a common mould known for food spoilage and aflatoxins, not for damping off of nursery seedlings.

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