| 单词 | leafroll |
| 释义 | > as lemmasleafroll leafroll n. (a) a leaf that has been rolled up by a leaf roller; (b) any of various plant diseases or conditions, esp. a virus disease of potatoes, characterized by curling of the leaves; cf. leaf curl n. ΘΚΠ the world > plants > disease or injury > [noun] > type of disease > viral diseases > associated with food or crop plants > potatoes curl1790 leaf curl1850 leafroll1859 aucuba mosaic1922 rugose mosaic1923 1859 Lit. Gaz. 4 June 654/3 The small object which he found at the bottom of the leaf-roll was, in all probability, a tortrix in the larva state. 1914 W. A. Orton (U.S. Dept. Agric.) (title) Potato Wilt, Leaf-Roll, and Related Diseases. 1960 Times 29 July 12/6 The telltale curl..shows a potato plant has leafroll. 1985 Insects Eastern Forests (U.S. Dept. Agric.) 319 The [weevil] larva develops in the leaf roll, and pupates either there or in the ground. 2003 R. Ozeki All over Creation i. 18 From what he was spraying, he must have had a problem with leafroll. < as lemmas |
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