Manage blackspot before you sow
23 April 2018
Victorian field pea growers are being urged to take action to avoid blackspot infection this season with the risk of the disease expected to be high.
The Blackspot Manager Model is predicting a high risk of ascochyta blight in field peas for Victoria heading into the growing season.
This is due to very little summer rainfall in field pea growing areas, leaving a high number of blackspot spores waiting to be released when rainfall does eventuate in late autumn and winter.
Agriculture Victoria plant pathologist, Luise Sigel, said growers need to prepare for a high risk of blackspot establishing in crop and should consider preventative actions to reduce the risk.
"Planting field pea crops at least 500 metres away from last year's crop, delaying sowing where possible and treating seed will all help reduce the risk of infection" she said.
PREDICTA® B DNA soilborne disease tests can be an effective method to determine the level of blackspot pathogens in the soil and is recommended if growers are unsure of risk levels prior to sowing.
Ms Sigel also encouraged Victorian field pea farmers to use the Blackspot Manager Modelling service – and sign up to its SMS text messaging service – to help reduce losses from disease.
The Blackspot Manager, which was developed by the Grains Research and Development Corporation and the Western Australian Department of Primary Industries and Regional Development, provides growers with information to help them time their sowing to reduce the risk of contracting the disease.
Information on the Blackspot Manager website is updated every two weeks from April through to June according to rainfall information.
View the current Victorian blackspot forecast for all regions and get ;more information about blackspot and the Blackspot Manager from the GRDC Field Crop Diseases extensionAUS website or CropPro.
A text messaging service is also available that provides timely and regionally specific data straight to your phone. To sign up for the SMS or email alert service, text BLACKSPOT, your name and your nearest weather station or your location to 0475 959 932.
A more detailed email service suited to agronomists with growers in multiple locations is available from BlackspotManager@agric.wa.gov.au.
More management information can be found in SARDI CropWatch Issue 1 – April 2018 or in the Agriculture Victoria AgNote on blackspot in field peas.
Contact Name: Justine Severin
Contact Number: 0436 674 804
Categorised under: Agriculture