Cucumber, Pumpkin, Squash: Angular leaf spot Categories: Cucumber, Pumpkin, Squash Cucumber, Pumpkin, Squash Diseases Vegetables Last review date: 2026-08-28 01:39 Angular leaf spot on cucumber Photo 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 […]
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 tomato Photo 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, […]
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 seedlings Photo 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 […]
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: 2026-08-29 08:37 Powdery mildew on cucumber leaves Photo 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 […]
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, healthy Photo 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 […]
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 plants Photo 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 […]
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 stems Photo 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 […]
Cucumber, Pumpkin, Squash: Brown marmorated stink bug Categories: Cucumber, Pumpkin, Squash Cucumber, Pumpkin, Squash Insects Vegetables Last review date: 2026-08-29 08:19 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 […]