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Other species of Botrytis may be present, such as B. peoniae on peonies, B. squamosa on onion, and B. tulipae on tulips. These species of Botrytis share some common characteristics in pathology and ecology. The generic name Botrytis is derived from the Greek bótrys ("cluster of", "grapes") and the Latin suffix -itis ("like"). [5]
Planting tree peonies in a sheltered position may help to prevent strong winds from breaking branches, particularly during flowering. Tree peonies in general can suffer from peony wilt ( Botrytis paeoniae , a grey mould blight) and verticillium wilt , which may cause wilting and dieback of young shoots.
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 ...
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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]
Tree peonies in general can suffer from peony wilt (Botrytis paeoniae, a grey mould blight) and verticillium wilt, which may cause wilting and dieback of young shoots. In infected soils, honey fungus can cause instant death. [10]
Fungal diseases; 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
Botrytis blight and fruit rot/Botrytis blossom blight Botrytis cinerea [2] Powdery mildew Microsphaera penicillata var. vaccinii [2]