...Affected plants lose vitality above ground, the leaves turn yellowish brown and fall off, and when the roots are dug up they are covered with a mesh-like layer of white or purple mold. There are two types of white root rot, white root rot and violet root rot, but it is difficult to tell the difference between the two just by looking at the above-ground parts. The fungus that covers the roots invades the tissues, preventing nutrient absorption and water from rising, causing the entire plant to wither and die. *Some of the terminology that mentions "white root rot" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…これにかかった植物は地上部全体に生気がなく,葉は黄褐色に変わって脱落し,根を掘ってみると,白色または紫色のカビが網目状におおっている。白紋羽病white root rotと紫紋羽病violet root rotとの2種類があるが,地上部だけをみてこの二つを見分けることはむずかしい。根をおおった菌が組織を侵し,養分の吸収,水分の上昇を妨げるので植物全体が枯死する。… ※「white root rot」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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