英语词汇“imperfect fungus”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

b. Mycology. Of a fungus: (originally) that lacks visible fruiting bodies; (in later use) spec. that does not produce (or is not known to produce) sexual spores; esp. in imperfect fungus. Also: designating a stage of the life cycle of a fungus during which sexual spores are not produced or (in early use) fruiting bodies are absent; of or relating to this stage. Contrasted with perfect adj. 18.Cf. fungus imperfectus n. at fungus n. 1b. [With imperfect fungus, compare scientific Latin fungus imperfectus (see fungus imperfectus n. at fungus n. 1b).]

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the world > plants > particular plants > fungi > [adjective] > of or exhibiting particular stage or condition

imperfect1798

perfect1854

heterothallic1904

homothallic1904

homokaryotic1916

1798 J. Sowerby Coloured Figures Eng. Fungi (1799) II. Tab. CLXXX All cheese seems to have it [sc. Trichia polymorpha] in a young or imperfect state.

1803 J. Sowerby Coloured Figures Eng. Fungi III. Tab. CCCLXXXVII I thought it necessary to figure this [sc. Fibrillaria stellata], and another or two of the imperfect Fungi, that they might be the better understood when found.

1866 Jrnl. Royal Hort. Soc. 1 197 (heading) On an imperfect fungus producing disease in orchids.

1883 Grevillea Mar. 88 Xylaria furcellata... A very marked, but imperfect species.

1895 M. C. Cooke Introd. Study Fungi xxii. 259 The group now under consideration is analogous, in external features, to the Pyrenomycetes, but wholly deficient of asci. The perithecia, or pseudoperithecia, include only stylospores, and have been assumed to be imperfect representatives, or imperfect stages or conditions, of the Pyrenomyceteae, and hence called ‘imperfect capsular fungi’.

1908 Jrnl. Royal Microsc. Soc. 626 Similar cultures were successfully carried through with Gnomoniella tubiformis on alder leaves, of which the ‘imperfect’ form was proved to be Leptothyrium alneum.

1939 E. A. Bessey Text-bk. Mycol. (new ed.) xiv. 375 From time to time an imperfect fungus is connected up with its perfect stage.

1971 P. H. B. Talbot Princ. Fungal Taxon. v. 77 The phase associated with asexual spores or sterile mycelia is known as the imperfect state of the fungus, while that associated with production of zygotes or of spores resulting from any type of sexual process is the perfect state.

1988 G. N. Agrios Plant Pathol. (ed. 3) xi. 381 Some of the more important plant diseases caused strictly by the imperfect stages of the fungi are: Colletotrichum (Gloeosporium),..(C. phomoides),..(C. falcatum), [etc.].

2010 Flora Neotropica 106 3/2 The specimen should not be allowed to stand for a print longer than overnight, or else imperfect fungi may develop and ruin the print.

单词	imperfect fungus
释义	> as lemmas imperfect fungus b. Mycology. Of a fungus: (originally) that lacks visible fruiting bodies; (in later use) spec. that does not produce (or is not known to produce) sexual spores; esp. in imperfect fungus. Also: designating a stage of the life cycle of a fungus during which sexual spores are not produced or (in early use) fruiting bodies are absent; of or relating to this stage. Contrasted with perfect adj. 18.Cf. fungus imperfectus n. at fungus n. 1b. [With imperfect fungus, compare scientific Latin fungus imperfectus (see fungus imperfectus n. at fungus n. 1b).] ΘΚΠ the world > plants > particular plants > fungi > [adjective] > of or exhibiting particular stage or condition imperfect1798 perfect1854 heterothallic1904 homothallic1904 homokaryotic1916 1798 J. Sowerby Coloured Figures Eng. Fungi (1799) II. Tab. CLXXX All cheese seems to have it [sc. Trichia polymorpha] in a young or imperfect state. 1803 J. Sowerby Coloured Figures Eng. Fungi III. Tab. CCCLXXXVII I thought it necessary to figure this [sc. Fibrillaria stellata], and another or two of the imperfect Fungi, that they might be the better understood when found. 1866 Jrnl. Royal Hort. Soc. 1 197 (heading) On an imperfect fungus producing disease in orchids. 1883 Grevillea Mar. 88 Xylaria furcellata... A very marked, but imperfect species. 1895 M. C. Cooke Introd. Study Fungi xxii. 259 The group now under consideration is analogous, in external features, to the Pyrenomycetes, but wholly deficient of asci. The perithecia, or pseudoperithecia, include only stylospores, and have been assumed to be imperfect representatives, or imperfect stages or conditions, of the Pyrenomyceteae, and hence called ‘imperfect capsular fungi’. 1908 Jrnl. Royal Microsc. Soc. 626 Similar cultures were successfully carried through with Gnomoniella tubiformis on alder leaves, of which the ‘imperfect’ form was proved to be Leptothyrium alneum. 1939 E. A. Bessey Text-bk. Mycol. (new ed.) xiv. 375 From time to time an imperfect fungus is connected up with its perfect stage. 1971 P. H. B. Talbot Princ. Fungal Taxon. v. 77 The phase associated with asexual spores or sterile mycelia is known as the imperfect state of the fungus, while that associated with production of zygotes or of spores resulting from any type of sexual process is the perfect state. 1988 G. N. Agrios Plant Pathol. (ed. 3) xi. 381 Some of the more important plant diseases caused strictly by the imperfect stages of the fungi are: Colletotrichum (Gloeosporium),..(C. phomoides),..(C. falcatum), [etc.]. 2010 Flora Neotropica 106 3/2 The specimen should not be allowed to stand for a print longer than overnight, or else imperfect fungi may develop and ruin the print. extracted from imperfectadj.n. < as lemmas
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> as lemmas