Tag archive: yellow leaf spot

It’s not always disease. Physiological damage to cereals.

Physiological yellowing in barley, photo: Steven Simpfendorfer, NSW DPI
Cold weather can cause a physiological response in crops leading cereal leaves to turn yellow and barley to develop brown spots. These can be easily confused with disease symptoms and there can be a temptation to respond with a fungicide. It is […]

Yellow leaf spot of wheat

Figure 1. Black fruiting bodies on stubble
In Victoria yellow leaf spot was common in many Wimmera, Mallee and Northern region wheat crops during 2013. The disease was most severe when susceptible varieties were sown into infected stubble (Figure 1).
Field trials
In years with a wet spring, heavy infestations of yellow leaf […]