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Leek Rust
Leek rust is caused by the fungus Puccinia allii. While severe attacks can reduce yield directly, the main economic impact is from its importance as a leaf blemish that downgrades the quality. As leek rust is active for most of the year, it remains a challenge for control as numerous fungicide treatments may be required on overwintered crops.
In this factsheet you can find out about:
- the background of the disease
- what symptoms to look out for
- what environmental conditions favour the development of infections
- the lifecycle of the pathogen
- information about varietal resistance
- what fungicides to use and when
- what agronomic practices to consider to reduce infections
This information was last updated in 2011.
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