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Onions, in particular, produce a sulfur product that acts as a lacrimator, or a substance that causes tearing: “This volatile chemical escapes from the damaged onion into the air, and lands in ...
There are seven different species of Botrytis associated with onions in storage, but the rot induced by B. allii and B. aclada causes the greatest commercial loss. The two can be distinguished microscopically; the conidia of B. allii have a maximum length of 15 μm and mean size of 10.2 × 5.7 μm, while the conidia of B. aclada have a maximum length of 12 μm and mean size of 8.6 × 4.6 μm.
Onions are flavorful and an essential part of so many dishes, but that sting in your eyes may make them not feel worth it. Everyone claims to have the best trick to cut back on tears when cutting ...
Soft rot in an onion caused by P. carotovorum or Dickeya dadantii [dubious – discuss] Pectobacterium carotovorum is a bacterium of the family Pectobacteriaceae; it used to be a member of the genus Erwinia. [1] The species is a plant pathogen with a diverse host range, including many agriculturally and scientifically important plant species.
B. cepacia was discovered by Walter Burkholder in 1949 as the cause of onion skin rot, and first described as a human pathogen in the 1950s. [20] It was first isolated in patients with cystic fibrosis (CF) in 1977, when it was known as Pseudomonas cepacia. [21]
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Stromatinia cepivora is a fungus in the division Ascomycota.It is the teleomorph of Sclerotium cepivorum, the cause of white rot in onions, garlic, and leeks. [2] The infective sclerotia remain viable in the soil for many years and are stimulated to germinate by the presence of a susceptible crop.
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