Puccinia asparagi
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Author(s): Jose R. Liberato, DPI&F
Source: PaDIL
Puccinia asparagi DC. 1805
This fungus causes rust on asparagus plants. Symptoms appear mainly on the stems and branches as orange, brown or black blisters, depending on the spore form produced. The disease results in stunting, premature leaf drop and in severe cases plant death.
Unlike many Puccinia species, the life cycle of the fungus does not involve a change of host plants. Asexual urediniospores are formed during the summer in reddish-brown uredia. These are the most important stage for the dispersal of the disease. At the end of the summer, black over-wintering teliospores are produced which germinate in the following spring, forming basidiospores, pycnia and later orange aecia. Aeciospores like urediniospores are airborne and disperse.
| Vernacular names | |
|---|---|
| • Deutsch: | Spargel-Rost |
| • English: | asparagus rust |
| • Français: | rouille de l'asperge |
For details see the respective page in Wikipedia.
- Other images of Puccinia asparagi (PaDIL - click to enlarge)
symptoms on asparagus stems
symptoms on asparagus stem
urediniospores
teliospore
