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 […]