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Geosmithia morbida : ウィキペディア英語版 | Geosmithia morbida
''Geosmithia morbida'' is a species of anamorphic fungus that causes thousand cankers disease in species of walnut trees (''Juglans spp.''). It was described as new to science in 2010 from specimens collected in the southern United States. The fungus, transmitted by the walnut twig beetle, ''Pityophthorus juglandis'', is known from the western USA from California to Colorado. The cankers resulting from infection restrict nutrient flow and typically kill the host tree within three to four years. Based on closeness of internal transcribed spacer DNA, the closest relative of ''G. morbida'' is ''G. fassatiae''. The specific epithet ''morbida'' refers to the deadly pathogenic effect it has on its host.〔 ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Geosmithia morbida」の詳細全文を読む
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