Management of Stemphylium purple spot on UK asparagus crops

Stemphylium purple spot (caused by Stemphylium vesicarium) commonly affects asparagus spears and fern. When severe this can result in premature fern defoliation followed by reduced yields in subsequent seasons.

This factsheet summarises available information on disease biology and integrated management strategies.

This information was last updated in 2012.

Useful links

Read about related AHDB research on:

Biology and management of Stemphylium purple spot on asparagus

Stemphylium purple spot: evaluating asparagus crop debris treatments

Optimising urea timing and application rates to reduce Stemphylium purple spot on asparagus spears and fern

Fungicide evaluation for control of Stemphylium purple spot on asparagus

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