Cucumber, Pumpkin, Squash: Angular leaf spot categories: Cucumber, Pumpkin, Squash Cucumber, Pumpkin, Squash Diseases Vegetables last review date: 2025-10-31 08:48 Angular leaf spot on cucumberPhoto by: R.S. Byther Biology Angular leaf spot is a bacterial disease which can affect cucumber and many related species. Leaves initially develop small, water-soaked spots which enlarge until limited by […]
Cucumber, Pumpkin, Squash: Cucumber mosaic virus categories: Cucumber, Pumpkin, Squash Cucumber, Pumpkin, Squash Diseases Vegetables last review date: 2025-10-31 10:32 Biology Cucumber mosaic is a viral disease of cucumbers, melons, squash, and other plants. It is spread primarily by aphids, but can also be transmitted by mechanical means, infected seed, and by cucumber beetles. The […]
Cucumber, Pumpkin, Squash: Curly top (Beet curly top virus) categories: Cucumber, Pumpkin, Squash Cucumber, Pumpkin, Squash Diseases Vegetables last review date: 2025-10-31 10:37 Curly top virus symptoms on tomatoPhoto by: R.S. Byther Biology Curly top is caused by a virus transmitted by the beet leafhopper. Many crops are affected, including tomato, bean, squash, cucumber, and […]
Cucumber, Pumpkin, Squash: Damping-off categories: Cucumber, Pumpkin, Squash Cucumber, Pumpkin, Squash Diseases Vegetables last review date: 2025-10-19 03:54 Damping-off of cucumber seedlingsPhoto by: R.S. Byther Biology Damping-off of seeds and seedlings is caused by fungi that remain in the soil for long periods of time. Infected seeds decay without germinating. Seedlings may be infected and […]
Cucumber, Pumpkin, Squash: Pollination failure categories: Cucumber, Pumpkin, Squash Cucumber, Pumpkin, Squash Diseases Vegetables last review date: 2025-10-19 03:39 Biology Fruits may begin to develop without pollination but must be pollinated to continue normal growth. The unpollinated fruit remain small and may show a rot beginning at the blossom end. These fruits usually turn yellow and […]
Cucumber, Pumpkin, Squash: Powdery mildew categories: Cucumber, Pumpkin, Squash Cucumber, Pumpkin, Squash Diseases Vegetables last review date: 2025-10-19 03:47 Powdery mildew on cucumber leavesPhoto by: R.S. Byther Biology Powdery mildew is a common fungal disease of squash. Upper and lower leaf surfaces and stems are typically affected. Small, white spots quickly enlarge into patches of […]
Cucumber, Pumpkin, Squash: Root rot categories: Cucumber, Pumpkin, Squash Cucumber, Pumpkin, Squash Diseases Vegetables last review date: 2025-10-19 03:57 Top to bottom: root rot, healthy, Fusarium wilt, healthyPhoto by: R.S. Byther Biology Several species of fungi can cause a wilting and root rot of squash and related plants. Above-ground symptoms may not be noticed until […]
Cucumber, Pumpkin, Squash: Verticillium wilt categories: Cucumber, Pumpkin, Squash Cucumber, Pumpkin, Squash Diseases Vegetables last review date: 2025-10-30 03:24 Verticillium wilt causing death of squash plantsPhoto by: R.S. Byther Biology Verticillium wilt is caused by a fungus which can persist in the soil for many years. It has a broad host range, including many vegetables […]
Cucumber, Pumpkin, Squash: White mold categories: Cucumber, Pumpkin, Squash Cucumber, Pumpkin, Squash Diseases Vegetables last review date: 2025-10-19 09:54 Sclerotinia white mold on bean pods and stemsPhoto by: R.S. Byther Biology White mold is a fungal disease which affects stems and fruit of cucumbers and squash. Initial infections commonly occur through dead tendrils, withered flowers […]
Cucumber, Pumpkin, Squash: Brown marmorated stink bug categories: Cucumber, Pumpkin, Squash Cucumber, Pumpkin, Squash Insects Vegetables last review date: 2025-10-19 04:49 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 […]