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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]
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 ...
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 ...
Botrytis cinerea. Botryotinia fuckeliana [teleomorph] Java black rot Lasiodiplodia theobromae = Diplodia gossypina. Leaf mold Choanephora cucurbitarum: Mottle necrosis Pythium spp. Pythium scleroteichum Pythium ultimum Phytophthora spp. Phyllosticta leaf blight Phomopsis ipomeae-batatas = Phyllosticta batatas. Phymatotrichum root rot (cotton ...
Botrytis blossom and twig blight, gummosis Botrytis cinerea Botryotinia fuckeliana [teleomorph] Branch knot Sphaeropsis tumefaciens: Brown rot (fruit) Phytophthora citricola Phytophthora citrophthora Phytophthora hibernalis Phytophthora nicotianae var. parasitica = Phytophthora parasitica Phytophthora palmivora Phytophthora syringae. Charcoal ...
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.
It is sprayed on plants as a preventive treatment; its mode of action is ineffective after a fungus has become established. It was invented in the Bordeaux region of France in the late 19th century. If it is applied in large quantities annually for many years, the copper in the mixture eventually becomes a pollutant .
Leaf blight of the grasses e.g. Ascochyta species [5] and Alternaria triticina that causes blight in wheat [6] Bur oak blight , caused by the fungal pathogen Tubakia iowensis . South American leaf blight, caused by the ascomycete Pseudocercospora ulei , [ 7 ] [ 8 ] [ 9 ] also called Microcyclus ulei , [ 10 ] ended the cultivation of the rubber ...