Taphrina pruni being larger than the healthy one. As a fungus, cool and wet weather conditions promote the germination of spores, whilst warm and dry weather results in infection rarely taking place. Colonisation can become extensive and eradication very difficult. The disease can to some degree be controlled by carefully removing infected branches, witch's brooms and fruit before the infective air borne spores are produced. Applications of copper-containing fungicides have a degree of control over the fungus. Taphrina pruni Taphrina pruni is a fungal plant pathogen of blackthorn (Prunus spinosa) that causes the Pocket or bladder Plum gall, a chemically induced distortion
Prunus davidiana In China it is largely used as an ornamental, and the fruit is eaten, but not prized. In peach growing regions throughout the world it is used as a source of rootstocks. "Prunus" is the ancient Latin name for plum trees. "Davidiana" is named for L'Abbé Armand David (1826-1900), a missionary and collector of Chinese plants. Prunus davidiana Prunus davidiana (syn. Amygdalus davidiana, Persica davidiana, Prunus persica var. davidiana) is a species in the genus "Prunus" in the family Rosaceae. It is also known by the common names David's peach and Chinese wild peach. It is native to China, preferring