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Question

There is a myth that immediately after heavy rains in the forest, mushrooms appear in large number and make a very large ring or cycle, which may be several metres in diameter. These are called as 'fairy rings'. Can you explain this myth of fairy rings in biological terms?

Discuss the mycelial structure in Agaricus and its soil-borne nature.

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Solution

The fruiting bodies in Agaricus known as basidiocarps form a concentric ring like structure from the mycelium present in the soil. These basidiocarps resemble button in shape and develop to form a ring like structure.

This fairy ring structure in Agaricus has reported stimulation of plants productivity. These rings are in fact fruiting bodies of this fungus and the diameter of this fairy ring increases every year due to the spread of mycelium.


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