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Mucor – additional information

Disease status

Other hosts

Varietal susceptibility


Symptoms and recognition

Mucor rot can occasionally be seen on fallen fruit on the orchard floor prior to harvest, but is more common in the orchard on fallen fruits in the 1-2 months after harvest.  It is also common as a store rot.

Other problems that may be confused with Mucor rot

Disease cycle and epidemiology

Several species of Mucor (M. mucedo, M. racemosus and M. strictus) may be responsible for rotting in apples, but M. piriformis is the most common species.

Cultural control

Successful prevention and control of Mucor rot are dependent on good crop handling and hygiene.

Biological control

Chemical control

Avoiding fungicide resistance

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