| 单词 | littleleaf disease |
| 释义 | > as lemmaslittleleaf disease 2. Chiefly U.S. A plant condition characterized by reduced leaf size; esp. (a) a condition of fruit trees caused by zinc deficiency; (b) (more fully littleleaf disease) a fungal infection of pine trees. ΘΚΠ the world > plants > disease or injury > [noun] > characterized by part affected or appearance produced jaundice1600 black rot1769 root rot1831 leaf blight1849 leaf curl1850 black heart1862 icterus1866 albication1877 footrot1883 curl-leaf1886 silver top1890 stem-sickness1890 sleeping disease1899 mosaic1900 leaf mosaic1902 scorch1906 blotch1909 little leaf1911 ringspot1913 crinkle1920 vein banding1928 1911 Bull. Calif. Agric. Exper. Station No. 218. 1055 Such troubles as little leaf of the peach. 1942 Amer. Jrnl. Bot. 29 549/1 Apricot leaves taken from trees showing little-leaf (zinc deficiency) symptoms show striking derangements. 1971 E. Hacskaylo Proc. N. Amer. Conf. Mycorrhizae 1969 I. 86 Phytophthora cinnamomi [is] the causal organism of littleleaf disease of shortleaf (Pinus echinata Mill.) and loblolly (P. taeda L.) pines. 2002 B. I. Nyoka in Pines of Silvicultural Importance (CAB International) 107 It [sc. shortleaf pine] has a slow growth rate and is susceptible to littleleaf disease. 2009 W. G. Hopkins & N. P. A. Hüner Introd. Plant Physiol. (ed. 4) iv. 73/2 Typically, zinc-deficient plants have shortened internodes and smaller leaves (e.g., ‘little leaf’ disorder of fruit trees). < as lemmas |
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