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Programme targets fungicide applications based on risk

Growers can better plan fungicide applications using live disease updates at individual farm level from Rhiza’s Septoria Contour risk pressure tool.

The tool offers up to five days look-ahead for septoria risk, using three weeks’ worth of past rainfall and temperature data, giving each farm a red, amber or green risk level rating.

 

Informed

 

Developed using data from 50 replicated septoria trials in 10 locations, over five years, Agrii research and development coordinator, Dr Francesca Salinari, says the new software will help to make more informed fungicide decisions.


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“On the basis of the traffic light system colours, growers will have an idea of the pressure that has been building in the crop over the previous three weeks. This can help them to decide which product and what dosage needs to be applied. It can also give information on timings, for example, if T1 went on a little earlier, it can be used to advise on whether a T1.5 spray is necessary.”

Variety

 

However, interpretation of the results is key, says Dr Salinari.

 

“The information is only weather specific so field specific information, such as drilling date, variety and when the crop was last sprayed will need to be taken into consideration. For septoria, you also need to think about the management of resistance.”

Dr Salinari recommends that the programme is used alongside advice from a BASIS qualified agronomist. She says: “Contour offers additional information in your decision-making process. It is decision support, not to be used in isolation.”

 

Origin Enterprises plans to develop the service to include additional functionalities like variety, drilling date and fungicide applications.

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