Pierce's disease of grapevine
parts depends on the plant species: in peach, bacteria are found in high numbers in the roots, whereas in plum, high numbers are found in leaves and fruits [...] to depend on the location of the bacteria in the infected plants. For example, transfer from infected plum trees with high bacterial levels in the leaves [...] die. This happens faster in younger vines than in older ones and faster in susceptible cultivars (within 2-3 years) than in more tolerant cultivars, which