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Puccinia forms uredia and
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Puccinia is a macrocyclic and heteroecious rust fungus. It produces uredia and telia stages on wheat plant. The spores produced on wheat are uredospores (stage II) and teleutospores (stage III). Uredospores can re-infect wheat but teleutospores cannot do it. Instead they give rise to basidia (stage IV). Basidiospores infect barberry. Pycnidia (stage I) develop on the upper surface of barberry leaves. Dikaryotisation occurs. It gives rise to aecidial stage (stage zero). Aecidia develop on the lower surface of barberry leaves. They form aecidiospores which infect wheat. Thus basidial stage is produced on ground and pycnidial and aecidial stages are produced on barberry plant.
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Question Text | Puccinia forms uredia and |
Topic | Biological Classification |
Subject | Biology |
Class | Class 11 |
Answer Type | Text solution:1 |
Upvotes | 99 |