Apricot: Bacterial canker categories: Apricot Apricot Diseases Tree Fruits last review date: 2026-01-29 02:57 Bacterial canker on apricot Photo by: R.S. Byther Biology Bacterial canker is favored by cool, wet weather and is common in western Washington. The bacteria overwinter in cankers, buds and other host tissues. Dark, cankered areas on trunks and branches may […]
Apricot: Brown rot categories: Apricot Apricot Diseases Tree Fruits last review date: 2025-11-12 12:47 Brown rot on apricot fruit Photo by: R.S. Byther Biology Brown rot is a blossom-infecting fungal disease. Infected flowers wilt and die. The brown blossoms remain attached to the twigs, becoming covered with a grayish-brown fungal growth during wet weather. Blossom […]
Apricot: Cytospora canker categories: Apricot Apricot Diseases Tree Fruits last review date: 2025-11-10 11:19 Cytospora-infected peach twigs Photo by: R.S. Byther Biology The fungi which cause Cytospora canker attack through wounds on twigs and branches. Initial cankers are small but enlarge quickly and may streak up and down the stems without girdling. The cankers may […]
Apricot: Shothole (Coryneum blight) categories: Apricot Apricot Diseases Tree Fruits last review date: 2026-02-10 03:39 Coryneum blight symptoms: shothole, leaf spot, and fruit spot Photo by: R.S. Byther Biology Shothole is a fungal disease which attacks leaves, buds, blossoms, fruits, and twigs. Twig cankers are rare on apricot. On apricot, the fungus often infects and […]
Apricot: Silver leaf categories: Apricot Apricot Diseases Tree Fruits last review date: 2026-02-10 03:59 Silver leaf on apricot Photo by: R.S. Byther Biology Silver leaf is a fungal disease affecting cherry, apricot, plum, and other stone fruits. The fungus typically grows on dead wood, but it can infect living tissues through wounds and become systemic […]
Apricot: Brown marmorated stink bug categories: Apricot Apricot Insects Tree Fruits last review date: 2026-04-09 02:04 Brown marmorated stink bug adult Photo by: M. Bush Biology The brown marmorated stink bug (BMSB) is an introduced pest species from Asia that is spreading quickly across the United States. Nymphs and adults feed on a wide variety […]
Apricot: Peach twig borer categories: Apricot Apricot Insects Tree Fruits last review date: 2026-02-10 12:12 Peach twig borer caterpillar Photo by: K. Grey Biology The peach twig borer is an important pest of apricots, particularly in eastern Washington. In the spring, overwinting larvae bore down the center of shoots, causing the tip to wilt or […]
Apricot: Peachtree borer categories: Apricot Apricot Insects Tree Fruits last review date: 2026-02-10 03:31 Peachtree borer and damage at base of tree Photo by: K. Grey Biology The peachtree borer adult is a dark, bluish, clear-winged moth which somewhat resembles a wasp or hornet. The female, which has dark forewings and a red-orange band on […]