Blackberry: Brown marmorated stink bug categories: Blackberry Blackberry Insects Small Fruits revision date: 2022-12-06 12:00 Brown marmorated stink bug adultPhoto 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 of plant […]
Strawberry: Common leaf spot categories: Small Fruits Strawberry Strawberry Diseases revision date: 2022-12-07 12:00 Strawberry common leaf spotPhoto by: R.S. Byther Biology Common leaf spot is caused by a fungus that overwinters on old infected leaves. It produces abundant spores in lesions of infected leaves, and rain splashes them onto healthy tissue. Only young leaf […]
Strawberry: Gray mold categories: Small Fruits Strawberry Strawberry Diseases revision date: 2022-12-07 12:00 Botrytis gray mold on strawberryPhoto by: R.S. Byther Biology Fruit rot is caused by a fungus which attacks many plants. Strawberry leaves, stems, flowers, and buds may be attacked, but the worst damage is to the fruit. The rot typically begins as […]
Strawberry: Red stele categories: Small Fruits Strawberry Strawberry Diseases revision date: 2022-12-07 12:00 Strawberry roots showing discolored stelePhoto by: R.S. Byther Biology Red stele is caused by a soil-infesting fungus. It is active in cool, wet weather. It attacks roots soon after fall rains begin and remains active through winter, spreading most rapidly where drainage […]
Strawberry: Viruses categories: Small Fruits Strawberry Strawberry Diseases revision date: 2022-12-07 12:00 Strawberry crinkle virus damagePhoto by: R.S. Byther Biology Crinkle virus, mottle virus, mild yellow-edge virus, and vein-banding virus commonly infect Pacific Northwest strawberry plants. They are transmitted by the common strawberry aphid, and can decrease vigor and yield. Usually, the only distinctive symptoms […]
Strawberry: Aphids categories: Small Fruits Strawberry Strawberry Insects revision date: 2022-12-07 12:00 AphidsPhoto by: Unknown Biology Aphids are small, soft-bodied, pear-shaped insects. They vary in color from yellow to green to brownish. Aphids on strawberries are typically found on the underside of leaves along veins and on new shoots and buds in the crown of […]
Strawberry: Brown marmorated stink bug categories: Small Fruits Strawberry Strawberry Insects revision date: 2022-12-07 12:00 Brown marmorated stink bug adultPhoto 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 of plant […]
Strawberry: Cutworms and armyworms categories: Small Fruits Strawberry Strawberry Insects revision date: 2023-04-12 12:00 Western yellow stripe armywormPhoto by: Unknown Biology Cutworms and armyworms are the larvae of noctuid moths. These common moths are medium-sized with fairly dull coloration. The greenish, grayish, or tan caterpillars are hairless, nocturnal, and generally spotted, striped, or otherwise marked. […]
Strawberry: Leafrollers categories: Small Fruits Strawberry Strawberry Insects revision date: 2023-04-12 12:00 Leafroller caterpillar, green with shiny black headPhoto by: S.M. Fitzpatrick and J.T. Troubridge Biology Several species of leafrollers can occur on strawberry. The caterpillars are typically light to dark green with light or dark heads, and are about 3⁄4″ long at maturity. Typical […]
Strawberry: Mites categories: Small Fruits Strawberry Strawberry Insects revision date: 2022-12-07 12:00 Cyclamen mite damage on strawberryPhoto by: A.L. Antonelli Biology Cyclamen mites and two-spotted spider mites can be pests on strawberries. Cyclamen mites are microscopic, amber, oval mites typically found in the crown of the plant on the new growth. Young leaves on infested […]
Strawberry: Root weevils categories: Small Fruits Strawberry Strawberry Insects revision date: 2022-12-07 12:00 Root weevil damage on strawberryPhoto by: A.L. Antonelli Biology Several species of root weevils are common pests of strawberries. Adults are typically brown to black in color and may have lighter markings on the back. They range in size from 1⁄5″ to […]
Strawberry: Slugs categories: Small Fruits Strawberry Strawberry Insects revision date: 2022-12-07 12:00 Slug damage and slimePhoto by: R.S. Byther Biology Slugs are common garden pests in western Washington. They resemble snails, but lack shells. They may vary from as little as 1⁄4″ up to several inches in length, depending on age and species. Slugs typically […]
Strawberry: Spittlebugs categories: Small Fruits Strawberry Strawberry Insects revision date: 2022-12-07 12:00 Spittle bug foamPhoto by: A.L. Antonelli Biology Spittlebugs feed on many plants. On strawberry, the nymphs feed on the leaves and leaf stems, preferring the tender new growth. Infested plants are stunted, and leaves may be distorted or killed. They may also feed […]
Strawberry: Spotted wing Drosophila (SWD) categories: Small Fruits Strawberry Strawberry Insects revision date: 2022-12-07 12:00 Spotted wing drosophila larva and fruit damagePhoto 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 or decaying […]
Raspberry: Anthracnose categories: Raspberry Raspberry Diseases Small Fruits revision date: 2022-12-07 12:00 Raspberry anthracnosePhoto 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 show small, […]
Raspberry: Boron deficiency categories: Raspberry Raspberry Diseases Small Fruits revision date: 2022-12-07 12:00 Boron deficiency symptoms on leavesPhoto 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 include abnormal […]
Raspberry: Fruit rot and cane Botrytis categories: Raspberry Raspberry Diseases Small Fruits revision date: 2022-12-07 12:00 Botrytis on fruitPhoto 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 diseased fruit […]
Raspberry: Phytophthora root rot categories: Raspberry Raspberry Diseases Small Fruits revision date: 2022-12-07 12:00 Phytophthora root rot on raspberryPhoto 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. Infected root […]
Raspberry: Powdery mildew categories: Raspberry Raspberry Diseases Small Fruits revision date: 2022-12-07 12:00 Powdery mildew on raspberryPhoto 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 watersoaked spots […]
Raspberry: Spur blight categories: Raspberry Raspberry Diseases Small Fruits revision date: 2022-12-07 12:00 Raspberry spur blightPhoto 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 primocanes. Brown […]