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Included in this genus are multiple species of trees and shrubs, such as: Dibotryon morbosum infects are Prunus serotina (wild cherry trees), Prunus persica (peach trees), Prunus domestica (plum trees), and Prunus cerasus (sour cherry trees). [3] The main symptom of Dibotryon morbosum is its “knot-like” gall structure. These knots can vary ...
Brachycaudus helichrysi overwinters as fertilised eggs which hatch during the winter or early spring, before the plum and damson trees on which they are laid come into leaf. The fundatrices (viviparous parthenogenetic females produced on the primary host) feed at first at the base of buds but as the buds begin to expand, they move on to softer ...
The pear slug is an important pest that eats leaves of cherry, pear, and plum trees, leaving behind a skeleton of veins. The larvae cover themselves in green slime, making themselves unpalatable to predators. The larva molt between five and eight times before being fully grown. [1]
Symptoms on orchard trees can include death of buds and roots, reduced tree survival and uniformity, [8] and increased susceptibility to winter injury. [2] Some common symptoms also include necrotic “shot holes” in leaves or rugosity and mosaic symptoms. [9]
Chondrostereum purpureum is a fungal plant pathogen which causes Silver leaf disease of trees. It attacks most species of the rose family Rosaceae, particularly the genus Prunus. The disease is progressive and often fatal. The common name is taken from the progressive silvering of leaves on affected branches.
Prunus is a genus of flowering trees and shrubs from the family Rosaceae, which includes plums, cherries, peaches, nectarines, apricots and almonds (collectively stonefruit).The genus has a cosmopolitan distribution, [4] being native to the temperate regions of North America, the neotropics of South America, and temperate and tropical regions of Eurasia and Africa, [5] There are about 340 ...
Prunus americana, commonly called the American plum, [7] wild plum, or Marshall's large yellow sweet plum, is a species of Prunus native to North America from Saskatchewan and Idaho south to New Mexico and east to Québec, Maine and Florida. [8] Prunus americana has often been planted outside its native range and sometimes escapes cultivation. [9]
Prunus subcordata is an erect deciduous shrub or small tree growing to 8 meters (26 feet) in height with a trunk diameter of up to 15 centimeters (6 inches). [2] It sprouts from its roots and can form dense, spiny thickets.