| 单词 | halo blight |
| 释义 | > as lemmashalo blight halo blight n. 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 1920 C. Elliott in Jrnl. Agric. Res. 19 139 This ‘halo-blight’ is a disease which occurs to at least some extent each year throughout the oat-growing sections of the central and eastern States. 1930 W. H. Burkholder in Mem. Cornell Univ. Agric. Exper. Station No. 127. 37 The most striking symptom [of Phytomonas medicaginis phaseolicola] arises from a local infection, and is the spot to which Miss Hedges has applied the term halo blight. 1954 A. G. L. Hellyer Encycl. Garden Work 115 Halo blight, a disease of beans also sometimes known as halo spot. 1955 Sci. Amer. June 83 Bacterial blight of beans..embraces a group of diseases: common blight, fuscous blight and halo blight, each caused by a different bacterium. 1971 M. Noble in J. H. Western Dis. Crop Plants iii. 33 In New South Wales an inspection scheme for bean (Phaseolus) seed has been in operation..for control of halo blight. 1971 J. Colhoun in J. H. Western Dis. Crop Plants x. 211 Halo blight of oats..is not regarded as constituting an economic problem in the British Isles. < as lemmas |
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