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Sclerotia and Stromata Questions

Question 1

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Answer 1

The structure of a sclerotium reduces the rate of movement of water through the surface. Thick-walled hyphae, melanisation and waxy deposits all reduce exchange of water.

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Question 2

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Answer 2

Very little difference exists. Stromata commonly form in host tissue, and therefore may incorporate plant cells. However, all stromata form fruiting bodies at the completion of their life cycle. Only some sclerotia fruit.

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Question 3

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Answer 3

Usually a change in environment triggers germination. In some fungi, a rise or fall in temperature initiates germination. Other fungi require moisture, while some plant pathogens require a specific molecule released by a potential host plant.

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Question 4

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Question 5

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Question 6

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Question 7

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