| 单词 | dollar spot |
| 释义 | > as lemmasdollar spot dollar spot n. a discoloured patch caused by disease, as on an animal or on turf; the disease itself. Π 1912 J. R. Mohler et al. tr. F. Hutyra & J. Marek Spec. Pathol. Dis. Domest. Animals I. vi. 826 The number of the dollar spots may be considerable, even exceeding one hundred. 1922 C. R. Edmonds Dis. Animals S. Afr. 340 About the fortieth day the ‘plaques’ or dollar spots first appear in the skin. 1926 Bull. U.S. Golf Assoc. Green Section May 129 Small [brown-]patch is generally limited to about the size of a silver dollar, from which it has been commonly referred to as ‘dollar spot’. 1935 Gardeners' Chron. 23 Feb. 129/1 Investigation of diseases of turf of lawns and greens has been prosecuted in the U.S.A. for many years, and the commonest diseases and causal organisms are well known, viz., Brown-patch, due to Rhizoctonia Solani, and Dollarspot, due to an unnamed species of Rhizoctonia. 1956 Dict. Gardening (Royal Hort. Soc.) (ed. 2) IV. 2169/2 Dollar Spot is due to the fungus Sclerotinia homoeocarpa. < as lemmas |
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