Leaf Rust of Ryegrass

Puccinia species

Description:

Orange red pustules are formed on the leaves and release masses of powdery spores. Leaves often turn yellow and the sward may have a yellow orange appearance.

Species Affected:

Ryegrass

Biology:

Favoured but hot and humid weather.

Life Cycle:

Origin and History:

Distribution:

Significance:

Management and Control:

Keep grass grazed and growing vigorously by applying adequate nitrogen.

Related and Similar Species:

References:

Acknowledgments:

Collated by HerbiGuide. Phone 08 98444064 or www.HerbiGuide.com.au for more information.