| 单词 | damping off |
| 释义 | > as lemmasdamping off 2. damping off, the collapse of seedlings or cuttings caused by any of several parasitic fungi and encouraged by excessive moisture in the plant's environment. (Cf. damp v. 6.) ΘΚΠ the world > plants > by growth or development > defined by poor growth > [noun] > collapsing, damping off, or being root-fallen root-fall1811 damping off1899 1899 G. Massee Text-bk. Plant Dis. 54 The term ‘damping off’ is applied to a disease of seedlings, characterised by the falling over and dying of the plantlets. 1928 F. T. Brooks Plant Dis. i. 4 Parasitic attack of seedling plants at soil level often causes ‘damping off’. 1970 H. Liebscher & F. Koehler tr. G. Fröhlich & W. Rodewald Pests & Dis. Trop. Crops 293 Symptoms of damping-off appear in seedbeds. 1971 Daily Colonist (Victoria, Brit. Columbia) 13 Mar. 38/4 The dreaded ‘damping-off’ disease, a soil-borne infection that attacks and rots the stems of small seedling plants just at soil level. < as lemmas |
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