| 单词 | powdery mildew |
| 释义 | > as lemmaspowdery mildew powdery mildew n. a plant disease caused by a parasitic fungus of the family Erysiphaceae and characterized by a white, floury covering of conidia on the parts attacked; the fungus itself. ΘΚΠ the world > plants > particular plants > plants perceived as weeds or harmful plants > poisonous or harmful plants > harmful or parasitic fungi > [noun] > causing disease in plants bunt1800 Sclerotium1813 Alternaria1834 oidium1836 Septoria1836 conk1851 Rhizopus1854 snow-mould1855 vine-mildew1855 vine-fungus1857 bramble-brand1867 Microsphaera1871 wood-fungus1876 sphacelia1879 blue mould1882 orange fungus1882 cluster-cup1883 hop-mildew1883 powdery mildew1886 cladosporium1887 shot-hole fungus1897 verdet1897 wound-fungus1897 fusarium1907 verticillium1916 rhynchosporium1918 coral-spot1923 blind-seed fungus1939 sclerotinia1950 1886 Star & Sentinel (Pennsylvania) 30 Mar. 3/1 The other form, or powdery mildew, flourishes most in dry weather. It is exhibited chiefly on the upper side of the leaf, producing a white powdery appearance. 1913 G. Massee & I. Massee Mildews, Rusts & Smuts 36 The entire group [sc. Erysiphaceæ] is often spoken of as powdery mildews, on account of the dense masses of conidia that are produced, and rest on the white patches of mycelium, giving them the appearance of having been sprinkled with flour. 1988 Gardening from Which? Sept. 330/1 Fungal diseases, like powdery mildew, can overwinter safely in dead leaves and debris. < as lemmas |
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