单词 | self-pollinating |
释义 | self-pollinatingn. Botany. Now rare. = self-pollination n. ΘΚΠ the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > flower or flowering plant > [noun] > pollination > self-fertilization self-fertilization1850 self-fertility1865 homogamy1874 autogamy1877 selfing1907 self-compatibility1916 self-pollinating1930 1930 G. F. Will Corn for Northwest xii. 96 He believes that by this method only the favorable dominant characters are retained, whereas in self-pollenating the poor recessive characters have an even chance with the favorable dominants. 1933 Jrnl. Royal Hort. Soc. 58 283 At first the trees were too young to yield reliable results by crossing and self-pollinating. 1983 Amer. Jrnl. Bot. 70 286 Some wild East African strains of H[ibiscus] cannabinus have longer styles which apparently lack the self-pollinating mechanisms. 2001 R. C. Clarke in J. King Cannabible Introd. 2 Self-pollinating is the most effective means of fixing desirable traits, since the selected genes are more likely to be represented in both the male pollen and the female ovule if they are born on the same plant. This entry has been updated (OED Third Edition, January 2018; most recently modified version published online March 2022). self-pollinatingadj. That carries out self-pollination. ΘΚΠ the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > flower or flowering plant > [adjective] > characterized by pollination > self-fertilizing or fertilized self-fertilized1848 self-fertile1856 cleistogamous1874 cleistogene1876 cleistogamic1877 self-fertilizable1877 autogamic1878 autogamous1880 self-pollinated1883 self-pollinating1889 self-bred1898 autocarpous1908 selfed1908 self-compatible1918 1889 A. Chambers-Ketchum Bot. for Academies & Colleges 130 Many self-pollinating flowers require foreign aid, from insects, the wind, or other agencies. 1912 Trans. Indiana Hort. Soc. 1911 51 It [sc. the pecan] is a self-pollenating tree. 1944 Bot. Rev. 10 483 The cereal grains..range from highly self-fertile, completely self-pollinating forms, as in certain ryes, to normally more or less completely out-crossed forms like maize. 1979 Amer. Jrnl. Bot. 66 1019/1 Vetch flowers are self pollinating. 2014 N.Y. Times (National ed.) 5 Feb. a12/1 The seeds that they were after are called inbreds, meaning they come from self-pollinating corn plants. This entry has been updated (OED Third Edition, January 2018; most recently modified version published online March 2022). < n.1930adj.1889 |
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