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Which fungal disease spreads by seed and flowers?A. Loose smut of wheatB. Corn stuntC. Covered smut of barleyD. Soft rot of potato |
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Answer» Correct Answer - A (a) Fungal disease, loose smut of whet spreads by seed and flowers. The causal organism of this disease is Ustilago fungus. It is an internal parasite. It has a dikaryotic mycelium which remains within the intercellular spaces of the host tissue. This fungus infects the ovary of the host flower as a result of which the masses of teliospores or brand spores are formed in place of grains, Teliospores are not surrounded by any wall hence, called loose smut. |
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