Cereal disease guide
2020 in review
Cereal diseases were common during 2020; however, drier than average winter conditions generally slowed their development. There were widespread reports of stripe rust in wheat crops that required control with fungicides. Agriculture Victoria field trials showed where susceptible varieties were planted and fungicides not applied, yield losses of up to 50 per cent occurred. Losses were much less where proactive fungicide strategies were used for managing diseases.
2021 cereal disease management
Cereal diseases will need proactive management during 2021 as there will be disease carry over on both volunteer cereals growing over summer and stubble. The wetter conditions during summer will increase the risk posed by rust and aphid spread viruses due to the green bridge.
Soil-borne diseases are a risk to cereals and testing prior to sowing (PREDICTA B®) allows paddocks at risk to be identified and less susceptible crops/varieties sown.
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