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Botrytis squamosa (teleomorph: Botryotinia squamosa) is a fungus that causes leaf blight on onion (often termed ‘blast’) that is distinctly characterized by the two stages – leaf spotting followed by blighting. [1] The pathogen is an ascomycete that belongs to the family Sclerotiniaceae in the order Helotiales. [2]
Botrytis blight is a grey mold fungus that was first observed on New Jersey blueberries in 1924 and by the 1950s was considered the most dangerous disease of the Northwest. [50] USDA estimates that 95% of Northwestern blueberry crop and 40% of eastern blueberry fields are infected with botrytis blight.
Botrytis elliptica is a necrotrophic fungal pathogen which infects species of plants in the Lilium genus, causing the disease commonly known as Lily Gray Mold. The symptoms of Lily Gray Mold include the appearance of water-soaked spots on leaves which appear white and increase in darkness with age, ranging from gray to brown.
The anamorphs of Botryotinia are mostly included in the "imperfect fungi" genus Botrytis. The genus contains 22 species and one hybrid. The genus contains 22 species and one hybrid. Plant diseases caused by Botryotinia species appear primarily as blossom blights and fruit rots but also as leaf spots and bulb rots in the field and in stored ...
Botrytis blight Botrytis cinerea. Myrothecium root and crown rot Myrothecium roridum. Phytophthora root and stem rot Phytophthora spp. Pythium root rot Pythium ultimum Pythium mastophorum. Sclerotinia blight Sclerotinia sclerotiorum. Verticillium wilt Verticillium albo-atrum
The most common species is B. cinerea, which is a plant pathogen causing gray mould on a very broad range of hosts including some common ornamental plants, such as geranium, begonia, rose, lily, dogwood, rhododendron, dahlia, magnolia, camellia [3] [4] and fruits and produce. This fungus is mainly of outdoor origin, although it may be from ...