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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Bacterial wilt of carnation ： ウィキペディア英語版 Bacterial wilt of carnation Bacterial Wilt of Carnations is a bacterial disease caused by the plant pathogen ''Burkholderia caryophylli''. Previously, named ''Pseudomonas caryophilli,'' the pathogen is a aerobic gram negative bacteria known for only being capable of entering its host through wounds. Once inside the host, it colonizes the vascular system and roots causing symptoms such as, internal stem cracking, yellowing of the leaves, wilting, and the development of cankers.〔 As a bacterial disease, Bacterial Wilt of Carnations can also be characterized by signs such as bacterial streaming, and bacterial ooze. == Hosts and Symptoms == ''B. caryophylli'' infects many different species of the Dianthus plant. The species ''Dianthus barbatus ''(Sweet William) and ''Dianthus alwoodii ''(Allwoodii Hybrids) can be infected through induced artificial inoculation in a lab setting,〔(【引用サイトリンク】url=http://www.tgw1916.net/Pseudomonas/caryophylli.html )〕 however, the pathogen only naturally infects the species ''D. caryophyllus'' (carnation). If infected, the pathogen induces symptoms on the host such as the discoloration of leaves and stems; they become grayish-green with subsequent yellowing. This initial leaf and stem discoloration is usually followed by plant wilting and death. Stem bases may also show internodal stem cracking, developing into small areas of dead tissue, which grow slowly over years (cankers). Cutting diseased stems often reveals brownish-yellow bacterial ooze. The wilting of the plant signifies the presence of rotten roots. This causes a significant decrease in the plants ability to anchor itself into the soil. Symptoms can take up to 2–3 years to surface. Visual symptoms are most readily seen in mature plants by inspection of aerial parts.〔 Although there may be an extended period of latency, once plants begin showing symptoms, death typically occurs within 1–2 months. The contraction of Bacterial Wilt of Carnation is often followed by secondary fungal invasions and disease. 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「Bacterial wilt of carnation」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.