Monilia blossom wilt

Editorial diagnosis

Diagnosis overview

Monilia blossom and twig blight affects stone fruit during and after flowering.

In gardens, Monilia blossom wilt can occur on plants including Almond, Sour cherry, sweet cherry. In the available profiles, it is linked mainly with Nuts, Stone fruit.

Its importance depends on how quickly it spreads and whether seedlings, shoot tips, flowers, or fruit are affected. Conditions that favour it include Wet weather or prolonged leaf wetness, Dense planting and poor airflow, Susceptible cultivars. Repeated severe infection on stone fruit is serious.

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.