Is there any evidence suggesting that spores are more resistant to radiation than the mycelia?
The spore wall may rigid, but it might not be more dense than mycelium tissue. The thickness might be insufficient to appreciably shield the radiation. The difference in response is due to the difference in physical activity between the spore and mycelium. The mycelium is actively growing and metabolizing while the spore is dormant. The mycelium will be more radiation sensitive because its activity is subject to disruption and incorporation of radiation induced changes.
Spores are more resistant to radiation because they have hard thick wall around.
The spore wall may rigid, but it might not be more dense than mycelium tissue. The thickness might be insufficient to appreciably shield the radiation. The difference in response is due to the difference in physical activity between the spore and mycelium. The mycelium is actively growing and metabolizing while the spore is dormant. The mycelium will be more radiation sensitive because its activity is subject to disruption and incorporation of radiation induced changes.
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