...The phenomenon in which the whole plant wilts, loses vitality and dies due to soil pathogens is called damping off. When the roots or soil edge are invaded and the whole plant dies, or when conductive tissue is invaded and the rise of moisture is prevented, damping off occurs. The pathogen varies depending on the plant; Gaumannomyces graminis is the pathogen for wheat, Fusarium oxysporum is the pathogen for soybeans, peas, and lupines, and Rhizoctonia solani is the pathogen for mitsuba and chrysanthemums. Many crops also wilt when they are seedlings, or the hypocotyl is invaded and the plant dies, which is called damping off. ... *Some of the terminology that mentions "Gaumannomyces graminis" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…土壌病原菌によって植物の全身がしおれ,生気を失って枯れる現象を立枯れといい,根や地際部が侵されて株全体が枯死するとき,また通導組織が侵害されて水分の上昇が妨げられるときに立枯病となる。病原は植物によって異なり,ムギ類ではGaumannomyces graminisが,ダイズ,エンドウ,ルピナスではFusarium oxysporumが,ミツバ,キクではRhizoctonia solaniが病原菌となる。また多くの作物が苗時代にしおれたり,胚軸部が侵されて枯死に至ることがあるが,これは苗立枯病といわれる。… ※「Gaumannomyces graminis」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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