Raspberry: Anthracnose Categories: Raspberry Raspberry Diseases Small Fruits Last review date: 2025-11-12 06:44 Raspberry anthracnose Photo by: R.S. Byther Biology Anthracnose is a fungal disease. It occurs primarily on raspberry canes but can also affect leaves and fruit. Initial infections typically occur on the lower portions of canes toward the inside of the plant. Canes […]
Raspberry: Boron deficiency Categories: Raspberry Raspberry Diseases Small Fruits Last review date: 2025-11-12 06:55 Boron deficiency symptoms on leaves Photo by: R.S. Byther Biology Boron deficiency affects the level of growth hormones in plant tissue, as well as pollen tube growth. Bud break in the spring is delayed, and many buds die off. Other symptoms […]
Raspberry: Fruit rot and cane Botrytis Categories: Raspberry Raspberry Diseases Small Fruits Last review date: 2025-11-12 07:16 Botrytis on fruit Photo by: R.S. Byther Biology Fruit rot is caused by a fungus. The disease is characterized by a watery, soft rot of infected fruit, either in the field or in storage. In moist conditions, the […]
Raspberry: Phytophthora root rot Categories: Raspberry Raspberry Diseases Small Fruits Last review date: 2025-11-12 07:37 Phytophthora root rot on raspberry Photo by: R.S. Byther Biology Phytophthora root rot can be a problem in the Pacific Northwest when raspberries are planted in areas with poor drainage. The fungus attacks the fine roots, which rot and die. […]
Raspberry: Powdery mildew Categories: Raspberry Raspberry Diseases Small Fruits Last review date: 2025-11-12 07:46 Powdery mildew on raspberry Photo by: R.S. Byther Biology Powdery mildew is a fungal disease which can affect leaves, shoot tips, new canes, and fruit of red and black raspberries, blackberries, and hybrids including ‘Logan’ berries. Leaves show pale green to […]
Raspberry: Spur blight Categories: Raspberry Raspberry Diseases Small Fruits Last review date: 2025-11-12 08:11 Raspberry spur blight Photo by: R.S. Byther Biology In early April, pin-point size black fruiting bodies (perithecia) can be found in the gray affected areas of cane tissue. The fruiting bodies release ascospores, which infect leaves on both fruiting canes and […]
Raspberry: Yellow rust Categories: Raspberry Raspberry Diseases Small Fruits Last review date: 2025-11-12 08:23 Raspberry rust Photo by: R.S. Byther Biology Yellow rust is a fungal disease of the leaves and succulent tissues of red raspberries. Leaf infection occur in the spring, causing a yellowish to orange spotting on the upper surfaces. On the lower […]
Raspberry: Aphids Categories: Raspberry Raspberry Insects Small Fruits Last review date: 2025-12-03 10:06 Raspberry aphid Photo by: E.P. Breakey Biology Aphids are small, soft-bodied, pear-shaped insects. They vary in color from yellow to green to brownish. Aphids on raspberries are typically found in colonies on the young growing tips of canes or on the underside […]
Raspberry: Brown marmorated stink bug Categories: Raspberry Raspberry Insects Small Fruits Last review date: 2025-11-12 10:50 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 […]
Raspberry: Cutworms and armyworms Categories: Raspberry Raspberry Insects Small Fruits Last review date: 2025-11-12 01:34 Climbing cutworm, dark brown and hairless Photo by: K. Grey Biology Cutworms and armyworms are the larvae of noctuid moths. These common moths are medium-sized with fairly dull coloration. The pale green to brownish caterpillar are hairless, nocturnal, and generally […]
Raspberry: Dryberry mite Categories: Raspberry Raspberry Insects Small Fruits Last review date: 2025-11-13 03:10 Dryberry mite damage Photo by: R.S. Byther Biology Dryberry mites attack the fruit of blackberries (including ‘Logan’ and ‘Boysen’ berries) and raspberries. They are tiny, sausage-shaped, yellowish to brown eriophyid mites. The mites overwinter in bark cracks and under bud scales, […]
Raspberry: Leafrollers Categories: Raspberry Raspberry Insects Small Fruits Last review date: 2025-11-13 03:50 Leafroller caterpillar, green with shiny black head Photo by: S.M. Fitzpatrick and J.T. Troubridge Biology Several species of leafrollers can occur on raspberries and related plants. The caterpillar are typically light to dark green with light or dark heads, and are about […]
Raspberry: Loopers Categories: Raspberry Raspberry Insects Small Fruits Last review date: 2025-11-13 03:57 Cabbage looper Photo by: Unknown Biology Loopers are green caterpillar up to about 1 1⁄2″ in length. They may have pale or dark stripes along the body. They are distinguished by their characteristic looping or “measuring-worm” movement. Loopers feed on leaves of […]
Raspberry: Raspberry beetle (raspberry fruitworm) Categories: Raspberry Raspberry Insects Small Fruits Last review date: 2025-11-13 04:21 Adult beetle and leaf symptoms Photo by: T. Murray Biology Raspberry fruitworm (the larva) and raspberry beetle (the adult) are pests of raspberries and loganberries. The adults are yellow-brown beetles about 1⁄6″ long. Raspberry beetles overwinter in the ground […]
Raspberry: Raspberry crown borer Categories: Raspberry Raspberry Insects Small Fruits Last review date: 2025-11-24 11:57 Raspberry crown borer larvae and damage Photo by: E.P. Breakey Biology The adult raspberry crown borer is a clearwing moth with a wingspan of 1″ to 1 1⁄2″. The moth closely resembles a yellowjacket. Females lay eggs on the canes or […]
Raspberry: Root weevils Categories: Raspberry Raspberry Insects Small Fruits Last review date: 2025-11-24 12:18 Root weevil larval damage Photo by: A.L. Antonelli Biology Several species of root weevils are common pests of raspberries. Adults are typically brown to black in color and may have lighter markings on the back. They range in size from 1⁄5″ […]
Raspberry: Rose stem girdler Categories: Raspberry Raspberry Insects Small Fruits Last review date: 2025-11-24 12:36 Rose girdler damage shown on rose. Swelling occurs on canes where the larvae tunnel. Photo by: J.R. Glass Biology The rose stem girdler is a flat-headed, wood-boring beetle that is about 6 mm (~1⁄4″) long. When it is young, it is […]
Raspberry: Spider mites Categories: Raspberry Raspberry Insects Small Fruits Last review date: 2025-12-03 10:06 Raspberry spider mite damage Photo by: A.L. Antonelli Biology Spider mites are tiny, eight-legged mites which may range in color from yellowish to green or red. Several species may occur on raspberries, including the twospotted spider mite. Spider mites typically feed […]
Raspberry: Spotted wing Drosophila (SWD) Categories: Raspberry Raspberry Insects Small Fruits Last review date: 2025-11-24 01:08 Spotted wing drosophila larva and fruit damage Photo by: W. Hoashi-Erhardt Biology Spotted wing Drosophila (SWD) resembles other Drosophila species (fruit flies or vinegar flies) in appearance, but unlike other members of the family which attack only overripe, damaged […]