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 for more information.