Stemphylium / rust

Despite treatment, it could be possible that the foliage of your asparagus plant is infected with diseases. There is still some time to treat this.
Please pay special attention to Stemphylium and asparagus rust. If infections are visible, please treat the infected fields again.
There are several crop protection treatments available. 
It is very important to keep the foliage healthy for as long as possible in order to have good conditions for the coming year.