Monilia Fruit Rot

Editorial diagnosis

Diagnosis overview

Brown rot affects stone fruit and produces brown rot with spore cushions and mummified fruit.

In gardens, Monilia Fruit Rot can occur on plants including Common Hazel, Bilberry, Cherry plum, Peach. In the available profiles, it is linked mainly with Berries, Stone fruit, Woody plants.

The recorded risk level is medium. Conditions that favour it include Wet weather or prolonged leaf wetness, Dense planting and poor airflow, Susceptible cultivars. It becomes serious when mummified fruit remains on the tree.

Compare upper and lower leaf surfaces, the boundary between healthy and damaged tissue, and spread after wet weather. Coatings, spores, or progressive rot support a disease diagnosis.

A common mistake is to identify a disease from one spot alone; weather, spread, and pathogen structures also need to fit.