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Colletotrichum lindemuthianum : ウィキペディア英語版 | Colletotrichum lindemuthianum
''Colletotrichum lindemuthianum'' is a fungus which causes anthracnose, or black spot disease, of the common bean plant (''Phaseolus vulgaris''). It is considered a hemibiotrophic pathogen because it spends part of its infection cycle as a biotroph, living off of the host but not harming it, and the other part as a necrotroph, killing and obtaining nutrients from the host tissues. == History == The anthracnose of common bean was first identified in 1875 in the fruit and vegetable garden of the Agricultural Institute of Popplesdorf, Germany by Lindemuth.〔Leach, Julian Gilbert. 1922.The parasitism of colletotrichum lindemuthianum. University of Minnesota. Retrieved 30 March 2014〕 By 1878, Saccardo and Magnus had made many observations on the cause of the anthracnose disease, recording their results in ''Michelia'' I:129.〔Stoneman, Bertha. 1898. A comparative study of the development of some anthracnoses. Botanical Gazette 26 (2) (August, 1898).〕 They concluded that it was caused by a fungus, which they named ''Gloeosporium lindemuthianum'' after Lindemuth himself.〔 Several years later, Briosi and Cavara discovered the presence of setae on the fungus, reclassifying it from the ''Gloeosporium'' genus to ''Colletotrichum'', where it remains today.〔〔 Recognizing the devastating effect the fungus was having on common bean populations world wide, it quickly became a heavily studied subject among scientists, who principally investigated means of controlling its spread. In 1911, Barrus reported the discovery of multiple fungal strains, each of which differed in its ability to infect certain varieties of bean plants, which initiated the work of Edgerton and Moreland, who found eleven different strains of the pathogen, but theorized more may exist.〔 Since then, numerous strains have been identified, each targeting specific varieties of bean plants. During the early part of the 20th century, the various races were identified by use of the Greek alphabet, paired with numbers, but at the turn of the 21st century a naming system using binary code was adopted.〔 Under the binary naming system, each plant cultivar is given a binary number, and the code for a particular race of the pathogen is determined by the sum of the binary numbers of the cultivars which it infects 〔
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