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Mungbean and sorghum disease update

Kelly, Lisa, White, Jo, Sharman, Murray, Brier, Hugh, Williams, Liz, Grams, Raechelle, Weir, Duncan, McKay, Alan and Sparks, Adam H. (2017) Mungbean and sorghum disease update. GRDC Update Papers, July 2 .

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Article Link(s): https://grdc.com.au/resources-and-publications/grd...

Abstract

Take home message:
1.Avoid paddocks with a history of Fusarium wilt in mungbean. Plant seed into well-drained soils and minimise plant stress. 2.To minimise the risk of halo blight and tan spot: use low risk planting seed, plant varieties with higher levels of resistance, clean harvesting equipment, control weeds and volunteers, and use suitable crop rotations. 3.Report phytoplasma disease outbreaks to Qld DAF Entomologists and Plant Pathologists. 4.Timely fungicide applications of Folicur® (PER13979 – expires 30th June 2017; application for extension submitted, pending approval) or Custodia® (PER82104 – expires 30th November 2019) are effective at managing powdery mildew in mungbean. For Folicur, crops should be sprayed at the first sign of disease and then again 14 days later if necessary, with a maximum of three applications per crop. For Custodia, do not apply more than three foliar applications per season with a minimum retreatment interval of 10 to 14 days. 5.Sorghum stubble is a good reservoir for Fusarium thapsinum to survive between sorghum crops. 6.Level of F. thapsinum in sorghum stubble starts to decline after two months with standing stubble treatments appearing to decline at a slower rate than surface and buried treatments. By 18 months, F. thapsinum levels appear to be similar across all stubble treatments. 7.PREDICTA B test for Macrophomina phaseolina is under evaluation.

Item Type:Article
Business groups:Crop and Food Science
Subjects:Plant pests and diseases > Individual or types of plants or trees > Sorghum
Plant pests and diseases > Plant pathology
Plant pests and diseases > Pest control and treatment of diseases. Plant protection > Pesticides
Plant pests and diseases > Pest control and treatment of diseases. Plant protection > Inspection. Quarantine
Deposited On:12 Jan 2018 04:34
Last Modified:12 Jan 2018 04:35

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