Retrieval by Symptoms on RYEGRASS (5)
~Retrieval of Rusts~

Please click on the item most fitted to the symptoms occurring.

Lesions (pustules) protrude and rupture to expose spores.

Crown rust Oval lesions of about 1mm in size exposing yellow spores.

Stem rust Oval to stripe lesions of 1-2mm in length exposing reddish brown spores.

Lesions do not protrude and enlarge to some extent.