| 单词 | soft rot |
| 释义 | > as lemmassoft rot soft rot n. (a) any of various bacterial and fungal infections that cause plant parts, esp. tubers, bulbs, and fruits, to become soft and watery (and often extremely malodorous); frequently attributive; (b) a type of fungal decay in timber, characterized by the presence of superficial, often pointed cavities , and typically caused by microfungi; frequently attributive. ΘΚΠ the world > plants > disease or injury > [adjective] > of or having bacterial disease soft rot1886 the world > plants > disease or injury > [noun] > type of disease > bacterial diseases root gall1830 soft rot1886 heart rot1891 crown gall1894 bacteriosis1899 watermark disease1924 the world > plants > disease or injury > [noun] > type of disease > fungal > associated with trees heart rot1808 white rot1828 sap-rot1838 red rot1847 conk1851 soft rot1886 pine blister1889 silver-leaf1890 leaf shedding1891 pine rust1893 leaf cast1894 partridge-wood1894 larch blister1895 needle-cast1895 sooty mould1901 white pine blister rust1909 larch needle cast1921 coral-spot1923 ink disease1923 pocket rot1926 wood rot1926 Dutch elm disease1927 oak wilt1942 ash dieback1957 1886 Dearborn (Indiana) Independent 18 Mar. If the affected tuber is left in the soil in warm, wet weather, a soft rot will soon follow the appearance of the disease. 1901 Ann. Rep. Vermont Agric. Exper. Station No. 13. 299 A rapid soft rot of carrots caused by a bacillus (B. carotovorus). 1937 F. T. Heald Introd. Plant Pathol. iv. 47 Storage and transportation losses may be heavy..in vegetables such as asparagus,..lettuce, etc. by bacterial soft rots (Bacillus carotovorus),..in sweet potatoes by soft rot (Rhizopus nigricans). 1954 J. G. Savory in Ann. Appl. Biol. 41 337 The term soft rot is proposed for decay caused by cellulose-destroying microfungi to distinguish it from the brown and white rots caused by the wood-destroying Basidiomycetes. 1969 G. N. Agrios Plant Pathol. x. 355 Cruciferous plants and onions,..when infected by soft rot bacteria, almost always give off an offensive sulfurous odor. 2001 Sun 27 Jan. 49/1 Check your stored begonia tubers carefully and look out for any signs of soft rot. < as lemmas |
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