Alert: Downy mildew, shot-hole and scab

Read on for the latest Pest & Disease Tracker Alert

Alert date: July 28th

There is a very high risk of downy mildew infections this week.

Bacterial shot-hole disease on laurels and scab infections on Malus and Pyrus are also high risk.

With the intermittent rain, spraying windows can be short so be ready for action at short notice.

  • For information on identification, symptoms, prevention and management of downy mildew in ornamental crops,  see HW's downy mildew Factsheet.
  • For information on identification, symptoms, prevention and management of scab in ornamental crops, see HW's Scab Factsheet.


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