翻訳と辞書 Words near each other ・ Puccinia cacabata ・ Puccinia campanulae ・ Puccinia carthami ・ Puccinia coronata ・ Puccinia dioicae ・ Puccinia erianthi ・ Puccinia extensicola var. hieraciata ・ Puccinia helianthi ・ Puccinia hordei ・ Puccinia jaceae var. solstitialis ・ Puccinia kuehnii ・ Puccinia malvacearum ・ Puccinia mariae-wilsoniae ・ Puccinia melanocephala ・ Puccinia menthae ・ Puccinia monoica ・ Puccinia oxalidis ・ Puccinia pelargonii-zonalis ・ Puccinia pittieriana ・ Puccinia poarum ・ Puccinia psidii ・ Puccinia purpurea ・ Puccinia recondita ・ Puccinia schedonnardii ・ Puccinia sessilis ・ Puccinia striiformis var. striiformis ・ Puccinia subnitens ・ Puccinia substriata var. indica ・ Puccinia verruca ・ Puccinia xanthii Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Puccinia monoica ： ウィキペディア英語版 Puccinia monoica Puccinia monoica is a rust fungus of the genus ''Puccinia'' that inhibits flowering in its host plant (usually an ''Arabis'' species) and transforms host behaviour in order to facilitate sexual reproduction of the rust fungus. ==Life Cycle== Infection of the host mustard (usually ''Arabis'') plants occurs via wind-borne basidiospores in late summer. Upon germination of the spores, fungal hyphae penetrate the stem of the mustard plant, siphoning off nutrients from its host. However, to reproduce, the fungus must undergo sexual reproduction, facilitated by the transfer of spermatia from the spermatogonia on this plant to receptive hyphae borne in the spermatogonia on another infected mustard plant. To accomplish this the fungus sterilizes the host plant, preventing it from producing true flowers. Instead, the fungus forces the infected plant to turn clusters of its leaves into brilliant yellow spring "pseudoflowers", bearing the spermatogonia. Insects visiting the pseudoflowers transfer spermatia from one host plant to another, in the same way that pollinators transfer pollen amongst the true flowers of uninfected plants. Spermatia transferred in this way, will fuse with receptive spermatogonial hyphae on the recipient plant. The resulting hyphae subsequently form aecia. At this time, the pseudoflowers lose their green colour and stop producing nectar. Spores produced in the aecia are referred to as aeciospores and are responsible for infecting the alternate host plant (a grass species: Koeleria, Trisetum, or Stipa). Upon germination hyphae produced by the aeciospores will penetrate the grass, leading to the production of uredia. The uredia produce urediniospores capable of infecting more grass plants. Ultimately, telia will be produced on the infected grasses. This leads to production of basidia and basidiospores. When released the basidiospores may infect new mustard plants, completing the life cycle.〔Roy, BA (1993) Patterns of Rust Infection as a Function of Host Genetic Diversity and Host Density in Natural Populations of the Apomictic Crucifer, ''Arabis holboellii''. Evolution 47: 111-124.〕 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「Puccinia monoica」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.