单词 | plantule |
释义 | plantulen. Botany. Now rare. An embryonic or very young plant; a seedling. Cf. plantlet n. ΘΚΠ the world > plants > part of plant > reproductive part(s) > seed > [noun] > parts of > embryo or radicle embryon1640 germen1651 neb1658 radicle1671 embryo1682 embryo plant1692 plantula1698 plantleta1711 germ1721 niba1722 radicula1725 plantule1727 radicule1728 rostellum1760 radicale1763 rostel1783 heartlet1808 corcle1810 proembryo1849 tigelle1860 hypophysis1875 embryoid1963 1727 P. Shaw & E. Chambers tr. H. Boerhaave New Method Chem. 155 In the middle, or common centre of the two, is a point or speck, which is the embryo, or plantule. 1766 Compl. Farmer at Seed The rest of the seed serves to feed the young plant, or plantule. 1791 E. Darwin Bot. Garden: Pt. I i. Notes 106 After fecundation a body begins to appear..which in process of time proves to be two lobes containing a plantule. 1865 Reader No. 143. 355/2 The production of amyliferous plantules. 1956 E. Rabinowitch Photosynthesis & related Processes II. ii. xxxii. 1267 (note) Inman (1935) found that the photosynthesis of etiolated plantules begins simultaneously with the appearance of green color. 1994 Jrnl. Commerce (Nexis) 18 Oct. 6 a Chile Tuna or prickly pear seeds or plantules... Quantity: 9,000 seeds or plantules. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < n.1727 |
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