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Which fungal disease spreads by seed and flowers?

1. (a) Loose smut of wheat
2. (b) Corn smut
3. (c) Covered smut of barley
4. (d) Soft rot of potato

Correct answer: (a) Loose smut of wheat

Solution

Loose smut of wheat is seed-borne and also spreads through infected flowers, because the fungus reaches the developing ovary and becomes established in the seed. The other options are not primarily spread this way.

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