or the unripe fruits of a mulberry tree. The leave sap and unripe fruits can even lead to hallucinations and central nervous system disturbances. though quite resistant to many pathogens, there are some diseases that can occur in mulberry The fruits are liked by several mammal and bird species which on the one hand is beneficial for biodiversity but on the other hand leads to yield losses or high protection costs, as netting is difficult for such big trees. Breeding takes long due to the long generation time. Common pests and diseases that affect mulberry plants include mulberry leaf spot, bacterial blight (bacterium – Pseudomonas syringae pv. mori), powdery mildew (fungi – Phyllactinia corylea and Uncinula geniculata) or different root rot diseases. References External links Interactive Distribution Map of Morus rubra rubra Plants described in 1753 Taxa named by Carl Linnaeus Trees of the North-Central United States Trees of the Northeastern United States Trees of the South-Central United States Trees of the Southeastern United States Trees of Eastern Canada Fruit trees