Urediniospores (or uredospores) are thin-walled
spore
In biology, a spore is a unit of sexual or asexual reproduction that may be adapted for dispersal and for survival, often for extended periods of time, in unfavourable conditions. Spores form part of the life cycles of many plants, algae, ...
s produced by the
uredium, a stage in the life-cycle of
rusts.
Development
''Urediniospores'' develop in the
uredium, generally on a leaf's under surface.
Morphology
*Urediniospores usually have two
dikaryote nuclei within one cell. In mass they are usually pale brown in contrast to
teliospores which are generally dark brown.
See also
*
Chlamydospore
A chlamydospore is the thick-walled large resting spore of several kinds of fungi, including Ascomycota such as '' Candida'', Basidiomycota such as '' Panus'', and various Mortierellales species. It is the life-stage which survives in unfavourable ...
*
Urediniomycetes
The Pucciniomycetes (formerly known as the Urediniomycetes) are a class of fungi in the Pucciniomycotina subdivision of the Basidiomycota. The class contains 5 orders, 21 families, 190 genera, and 8016 species. It includes several important plan ...
*
Pycniospore
*
Aeciospore
*
Teliospore
*
Ustilaginomycetes
*
Rust fungus: Spores
References
*C.J. Alexopolous, Charles W. Mims, M. Blackwell, ''Introductory Mycology, 4th ed.'' (John Wiley and Sons, Hoboken NJ, 2004)
Germ cells
Fungal morphology and anatomy
Mycology
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