Onions, Garlic: Basal rot categories: Onions, Garlic Onions, Garlic Diseases Vegetables last review date: 2022-12-07 12:00 Onion basal rot in early season Photo by: L.J. du Toit Biology Basal rots of onion, garlic, and related species are caused by fungi. Affected plants are yellowed, wilted, and grow poorly. Reddish discoloration may be present on affected […]
Onions, Garlic: Downy mildew categories: Onions, Garlic Onions, Garlic Diseases Vegetables last review date: 2022-12-07 12:00 Downy mildew on onion Photo by: R.S. Byther Biology Downy mildew is a fungal disease affecting onions and related species, including weedy species. Leaves initially develop pale, elongate patches. The spots may be water-soaked at first, then later appear […]
Onions, Garlic: Gray mold categories: Onions, Garlic Onions, Garlic Diseases Vegetables last review date: 2024-06-05 02:07 Botrytis gray mold on onion Photo by: R.S. Byther Biology Gray mold is a fungal disease primarily found on garlic. It attacks the tissues of the neck and bulb and occasionally causes a leaf blight. Symptoms of infection typically […]
Onions, Garlic: Neck rot categories: Onions, Garlic Onions, Garlic Diseases Vegetables last review date: 2022-12-07 12:00 Onion neck rot symptoms Photo by: L.J. du Toit Biology Neck rot is a fungal disease which can affect onions and related species. Infection typically occurs in the field, but symptoms often do not appear until bulbs are in […]
Onions, Garlic: White rot categories: Onions, Garlic Onions, Garlic Diseases Vegetables last review date: 2022-12-07 12:00 Sclerotia on surface of white rot-infected bulbs Photo by: R.S. Byther Biology White rot is a fungal disease which affects onions and related species. Cool, wet conditions may be followed by wilting and yellowing of leaves beginning at the […]