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Tag archive: charcoal rot

Where and when does charcoal rot in sorghum occur?

  In 2018 charcoal rot in sorghum was found to be a big problem in the Darling Downs in southern Queensland, where a lot of disease and a lot of lodging associated with the disease was observed. As a result, the summer crop pathology team led by Adam Sparks at […]

Last season’s summer grain diseases & sorghum charcoal rot – Podcast

Image of Adam Sparks & Neeraj Purushotham for Summer crop diseases podcast

  There were a number of diseases that caused issues for summer grain crops last season, with the biggest being charcoal rot in sorghum.  In this podcast Adam Sparks & Neeraj Purushotham from University of Southern Queensland (USQ) discuss what summer grain crop diseases were observed last season and the […]

Low levels of disease persist during the drier summer season in parts of the northern region

Figure 11. Sunflower crop, Allora (Photo D.L. Adorada)

Summer crop paddocks across northern New South Wales, southern Queensland and central Queensland, were surveyed to monitor fungal and bacterial diseases present in the 2018-2019 summer cropping season. In comparison to the 2017-2018 season, it was drier (Figure 1), making it unfavourable for most grain crop diseases to develop. Observations […]

Moisture saves sorghum from disease in parts of the northern region

Figure. 2 (b) Sorghum crop at Mullaley NNSW (14-15 February 2019)

July 2019 will see the start of an investigation to correlate pathogen densities of charcoal rot and fusarium stalk rot with disease expression, lodging and yield loss, using PreDicta®B tests.  Sorghum growers and agronomists are invited to participate in this investigation, so a clearer picture can be established of the […]

Re-visiting management options for charcoal rot in sorghum

As the 2018/19 summer cropping season draws to a close, sorghum growers are once again confronted with an unfortunate all too familiar problem with charcoal rot and lodging in their paddocks (Figures 1, 2 and 3). This summer season was a text-book case where conditions were ideal for the disease […]

Summer paddock survey finds fungal and bacterial diseases decreased but not eliminated

Figure 3 Halo blight disease signs on mungbean (Photo A.H. Sparks).

Summer crop paddocks across northern New South Wales, southern Queensland and central Queensland, were surveyed to monitor the fungal and bacterial diseases present in the 2017-2018 summer cropping season. The season was unusually hot and dry, which in most cases, led to reduced fungal and bacterial diseases, but did not […]

Sunflower Growers Guide to Integrated Disease Management

GRDC Sunflower tips and tricks cover

By Sue Thompson, University of Southern Queensland. A new guide to Successful sunflower production using integrated disease management (IDM) provides information on managing diseases in sunflower within the context of the whole farm rotation. Comprehensive ready reckoner tables allow growers to review the impact that rotational crops will have on […]

Charcoal Rot in Lupins

Charcoal rot was confirmed in a number Western Australian lupin crops in 2014 (DAFWA Pest Fax newsletter, No. 20); a likely consequence of the hot and dry conditions experienced during August. Normally charcoal rot does not reduce lupin crop yields as symptoms only appear after pod set. However, unseasonable heat in […]