...The accumulation of the multiplying pathogen, polysaccharides secreted by the pathogen, and decomposition products of plant tissues causes blockage of xylem, and the stem and leaves wilt and die. Fusarium oxysporum (imperfect fungus) causes vascular diseases in many plants, including tomato wilt, fusarium wilt in cucumbers, watermelons, melons, and sweet potatoes, and yellows in radishes, cabbages, and strawberries. When the roots or stems of diseased plants are cut, browning of the xylem is easily observed. ... *Some of the terminology that refers to "wilt (■1) disease" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…増殖した病原,病原から分泌された多糖類,植物組織の分解物などが蓄積して導管が閉塞し,茎葉がしおれて枯れる。Fusarium oxysporum(不完全菌)はトマト萎(いちよう)病,キュウリ,スイカ,メロン,サツマイモのつる割れ病,ダイコン,キャベツ,イチゴの萎黄病など多くの植物に導管病を起こす。発病株の根や茎を切断すると導管部の褐変が容易に観察される。… ※「萎(■1)病」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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