| 单词 | apple blight |
| 释义 | > as lemmasapple blight apple blight n. †(a) the woolly aphid, Eriosoma lanigerum (cf. American blight n. at American n. and adj. Compounds 3b) (obsolete); (b) a disease caused by the bacterium Erwinia amylovora; = fire blight n. at fire n. and int. Compounds 2a. ΘΚΠ the world > plants > disease or injury > [noun] > type of disease > bacterial diseases > associated with food or crop plants fire blight1742 apple blight1835 pear blight1854 leaf scald1870 ring rot1875 angular leaf spot1896 blackarm1902 Moko1913 halo blight1920 1835 J. Rennie in Q. Jrnl. Agric. 6 No. 30. 227 Apple Blight-bug or American blight (E. Mali, Leach)... Found in the chinks and cracks of the trunks of apple trees in early spring. 1840 E. Blyth et al. Cuvier's Animal Kingdom 572 It is probable that this insect [sc. Myzoxyle] is identical with that so well known in England under the name of Apple-blight, which is covered with a white cottony secretion. 1867 J. A. Warder Amer. Pomol. 177 The true apple blight is a malady of very serious character, that invades many orchards in the Western States. 1961 A. Schoenfeld tr. C. Stapp Bacterial Plant Pathogens ii. 134 This disease, variously called ‘fire blight’, ‘blossom blight’, ‘fruit blight’, ‘twig blight’, ‘apple blight’, or ‘pear blight’, according to the place affected, is one of the most dangerous and dreaded tree diseases of North America. 2004 P. Vidhyasekaran Conc. Encycl. Plant Pathol. 299 Transgenic potato plants expressing a..gene from the apple blight pathogen Erwinia amylovora showed resistance to Phytophthora infestans. < as lemmas |
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