Retrieval by Symptoms on ORCHARDGRASS (6)
~Retrieval of Powdery mildew and Rusts~

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

Producing oval and white-powdery lesions

Powdery mildew Oval and orange lesions of 2-5mm in length on the both sides of the leaf.

Lesions (pustules) protrude and rupture to expose spores.

Rust Oval and minute lesions exposing reddish brown spores.

Yellow rust Long stripe lesions along leaf veins exposing yellow spores.

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

Lesions do not protrude and enlarge to some extent.