Brown rot (fruit rot)
Monilia fructigena
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How to spot it
Brown rot makes ripening fruit rot brown on the tree and in store. Cushion like spore pustules arranged in rings form on the rotten patches. The fungus almost only enters through injuries: wasp damage, hail or scab cracks are the typical points of entry. The dried up mummified fruits on the tree are the source of infection for the following year.
Prevention
Pick off rotting fruit at once and collect all mummified fruits from the tree and the ground consistently in winter. That is the most effective measure. Keep scab and wasps in check, since it is their wounds that let the fungus in. Put only undamaged fruit into cool storage and check the store regularly.
Affected plants
These plants in our database are especially susceptible.
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