The summer fruit tortrix moth is an insect pest native to Europe and Asia. It primarily feeds on apples, cherries, and pears, though it has over 50 other plant hosts. While summer fruit tortrix has yet to be discovered in ...

An insect pest native to Europe and parts of Asia, European cherry fruit fly can infest Prunus spp. such as sweet cherry, tart cherry, mahaleb cherry, black cherry and other wild cherries. This insect can also infest fruit ...

The organism responsible for this disease of apples, stone fruits, and other perennial fruit trees is a phytoplasma: a very small bacterium lacking a cell wall and enclosed in a single membrane. Inhabiting primarily the ...

The Asian gypsy moth is an exotic insect pest native to Far East countries such as Russia, China, and Japan. Adult moths frequently lay their egg masses on cargo ships and shipping containers, and these hardy egg clusters ...

Asiatic brown rot, caused by the fungus Monilia polystroma, is native to Japan. Unlike our native brown rot which infects primarily stone fruit, Asiatic brown rot readily infects apple and pear. Asiatic brown rot has been ...

Brown rot occurs on all stone fruit worldwide and afflicts blossoms, twigs, and fruit, both pre- and post-harvest. Several closely-related fungal species, collectively known as Monilinia spp. cause the disease. In stone ...

Powdery mildew occurs in all apple-producing regions worldwide, especially where warm, humid climate conditions prevail. Young expanding plant tissues are particularly susceptible to the disease. Therefore, powdery mildew ...

Fire blight, caused by the bacterium Erwinia amylovora, is one of the most destructive diseases in apple and pear production. Fire blight can infect other members of the rose family including quince, juneberry, hawthorne, ...