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Factsheets & other resources

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Managing downy and powdery mildew and bunch rots post-harvest 2010-11

  • Date: 2011-04-01
  • Author: Magarey, Peter A.

In most parts of south-eastern Australia, season 2010–11 was the wettest since 1973–74 and 1974–75, surpassing the difficult seasons of 1992–93 and 1983–84.

The wet conditions brought three waves of assault on vineyards by diseases: first downy mildew, then powdery and finally the bunch rots. Let’s look at these three, ask what, if anything, can be done about them now and briefly look forward in readiness for the best controls in 2011–12.

Downy mildew: questions and answers

  • Date: 2010-12-03
  • Author: Magarey, Peter A.

Downy mildew produces golden-yellow, oily spots on leaves, which are best seen on the top side of the leaves.  This factsheet discusses some common questions regarding this disease.

Managing downy mildew

  • Date: 2010-03-01
  • Author: Magarey, Peter A.

Downy mildew is driven by the weather. The disease can devastate individual vineyards and in some seasons, affect production from regions.