单词 | selfseeding |
释义 | > as lemmasself-seeding self-seeding n. Brit. /ˌsɛlfˈsiːdɪŋ/ , U.S. /ˌsɛlfˈsidɪŋ/ the action of a plant reproducing and spreading by the dispersal of its own seed, without human involvement; an instance of this.ΚΠ 1846 R. L. Allen Brief Compend Amer. Agric. iii. 66 It has the further advantage of..maintaining itself in the ground thereafter by self seeding when not too closely cropped. 1906 T. Shaw Clovers vii. 256 The grazing must not be so close as to preclude a self-seeding. 1972 Times 16 Sept. 10/3 Nobody can guarantee that any bulb will dig itself in and increase in any given garden, either by division of the underground parts or by self seeding. 2009 S. Van Atta Southern Calif. Native Flower Garden 78 Cut it back after it has finished flowering in summer unless self-seeding is desired. self-seeding self-seeding adj. Brit. /ˌsɛlfˈsiːdɪŋ/ , U.S. /ˌsɛlfˈsidɪŋ/ that self-seeds.ΚΠ 1851 Ann. Rep. Commissioner Patents 1850: Agric. 13 in U.S. Congress. Serial Set (31st Congr., 2nd Sess.: U.S. House of Representatives Executive Doc. 32, Pt. 2) VI. No smut or chess was the result of this self-seeding crop, as we term it; but the ground was found to be more foul with weeds than that which had been cultivated. 1913 Bull. Hawaii Agric. Exper. Station No. 29 19 Flower, 6½ in. wide, pure white... Best white thus far bred. Self seeding. 1991 Marine Ecol. Progress Ser. 74 1 (title) Numerical models show coral reefs can be self-seeding. 2002 Chicago Tribune 13 Jan. xv. 4/2 (caption) Self-seeding annuals..should scatter enough seeds to guarantee blooms next year, even if some seedlings were lost to the treacherous late warm weather in fall. < as lemmas |
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