| 单词 | pine blight |
| 释义 | > as lemmaspine blight pine blight n. any of various diseases that affect the needles, twigs, or bark of pine trees, esp. one caused by deuteromycete fungi; (also) an organism that causes such a disease. ΚΠ 1890 Cent. Dict. Pine-blight, 1. An aphid, Chermes pinicorticis.., which blights the bark of the pine. 2. The floccular substance from this insect. 3. The blighting of the tree caused by this aphid. 1908 S. T. Dana Extent & Importance of White Pine Blight 4 The white pine blight first made its appearance four or five years ago, but attracted little attention until the summer of 1907. 1954 Sci. Monthly Dec. 382/1 The presence or absence of white pine blight (causal agent unknown) was recorded. 1968 F. G. Browne Pests & Dis. Forest Plantation Trees 766 Sclerophoma pityophila... Pine die-back... Pine leaf blight. North America and Europe. 1976 Jrnl. Gen. Microbiol. 95 268 Dothistromin, an anthraquinone derivative produced by the pine blight fungus Dothistroma..pini. < as lemmas |
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