One application should be sufficient. The number of bloom applications needed depends upon the amount of rain. Apply fixed copper fungicides or certain synthetic fungicides such as chlorothalonil. Rake and destroy infected leaves. Prevent foliage from getting wet by using: Avoid overhead watering. Buds can be protected from shot hole during the dormant season (mid-november to mid-december) by a fungicide application before the long winter rains begin. Combining practices of pruning, to remove infected tissues, and applying chemical fungicides, are very effective measures used to manage this disease. Find tips on its control in the following article. · shot hole disease can attack several types of fruit trees, but apricot is especially vulnerable. · to treat shot hole disease, prune affected branches and apply fungicide spray to control the spread of the disease. Avoid irrigation that causes water to splash up onto branches. · the best measures begin with prevention. Space plantings and prune to provide good air circulation. The disease is most common in wet conditions, so making sure trees are well spaced for airflow is crucial, as is regular apricot pruning to allow for circulation between branches. Preventative steps are the best measures for managing this disease. Visit home and garden fact sheets for more information on using pesticides. Prune and dispose of diseased plant tissue as soon as it appears. Shot hole disease is a common fungal infection that affects a variety of plants, including fruit trees, ornamentals, and shrubs. · prune and destroy dead buds and cankered twigs if present.