Managing yellow leaf spot in stubble retained systems in Central West NSW
Locally specific guidelines and support for a proactive approach to disease management within retained stubble systems.
- Stubbles carrying high loads of yellow leaf spot inoculum are the major source of crop infection. Decomposition or removal of stubble reduces inoculum.
- Yellow leaf spot is most severe when successive wheat crops with low
genetic yellow leaf spot resistance are grown on retained stubble.
- Management of yellow leaf spot in CWFS districts should focus on
disease identification and good agronomic practice.
- Timely urea application may improve crop performance over a fungicide.
- Don’t confuse yellow leaf spot with nutrient deficiencies, leaf tipping or frost damage.