Pea: Aphanomyces root rot categories: Pea Pea Diseases Vegetables revision date: 2022-12-07 12:00 Aphanomyces root rot on peaPhoto by: N.J. Grunwald Biology Aphanomyces root rot is caused by a fungus which attacks the underground portions of the plant. The lower stem and roots initially show long, soft, water-soaked lesions which can spread throughout the root […]
Pea: Pea wilt categories: Pea Pea Diseases Vegetables revision date: 2022-12-07 12:00 Pea Fusarium wiltPhoto by: D.A. Inglis Biology Pea wilt is caused by a fungus. Several races of the fungus occur and may cause different symptoms. Typically, plants are yellow, stunted, wilted, and often die. Plants affected by races 1, 5, and 6 may […]
Pea: Powdery mildew categories: Pea Pea Diseases Vegetables revision date: 2022-12-07 12:00 Powdery mildew on peaPhoto by: R.S. Byther Biology Powdery mildew is a fungal disease which attacks the leaves, pods, and stems. Leaves and stems develop discolored spots. The spots later show characteristic white mats of powdery fungal growth which give a bluish cast […]
Pea: Root rot categories: Pea Pea Diseases Vegetables revision date: 2022-12-07 12:00 Top to bottom: root rot, healthy, Fusarium wilt, healthyPhoto by: R.S. Byther Biology Several fungal root rots can affect peas. Typical symptoms of root rots are stunting, yellowing, and dieback of aboveground portions of the plants. Root systems of affected plants are smaller […]
Pea: Seed rot and damping-off categories: Pea Pea Diseases Vegetables revision date: 2022-12-07 12:00 Damping-off of cucumber seedlingsPhoto by: R.S. Byther Biology Several soil-borne fungi can cause seed rots and damping-off of pea seedlings. Infected seeds decay without germinating. Seedlings may be infected and fail to emerge from the soil. Emerged seedlings are also attacked, […]
Pea: Virus diseases categories: Pea Pea Diseases Vegetables revision date: 2022-12-07 12:00 Virus-infected peasPhoto by: R.S. Byther Biology Several virus diseases affect peas. Pea Enation Mosaic Virus, Pea Seedborne Mosaic Virus, and Pea Streak Viruses are viruses of importance in Washington. These viruses are spread by aphids including the pea aphid. Pea Seedborne Mosaic Virus […]
Pea: Brown marmorated stink bug categories: Pea Pea Insects Vegetables revision date: 2023-04-04 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 hosts. […]
Pea: Cutworms and armyworms categories: Pea Pea Insects Vegetables revision date: 2023-12-02 09:17 Alfalfa looper and damagePhoto by: A.L. Antonelli Biology Cutworms and armyworms are the larvae of noctuid moths. These common moths are medium-sized with fairly dull coloration. Several species may feed on peas. The greenish, grayish, or tan caterpillars are hairless, nocturnal, and […]
Pea: Pea aphid categories: Pea Pea Insects Vegetables revision date: 2023-04-04 12:00 Pea aphidPhoto by: Unknown Biology The pea aphid is a green to pinkish, pear-shaped, soft-bodied insect. It is usually found feeding in large colonies on the stems and undersides of leaves near the tips of new growth. Aphid feeding may cause foliage to […]
Pea: Pea leaf weevils categories: Pea Pea Insects Vegetables revision date: 2022-12-07 12:00 Pea leaf weevil damagePhoto by: K. Grey Biology The pea leaf weevil is a small brownish-gray beetle about 1⁄5″ long. Adults are marked with lighter longitudinal lines on the back. They feed on the leaves, cutting out semicircular pieces from leaf margins. […]