释义 |
self-ˈfertile, a. Bot. [self- 3 b.] Of a flower: Having the property of fertilizing itself by the action of its pollen on its pistil. Of a plant: Fertilized by the pollen of its own flowers alone. Also applied to hermaphrodite animals. So self-ferˈtility, self-ˈfertilizable a., -fertiliˈzation, -ˈfertilize v., -ˈfertilized ppl. a., -ˈfertilizer, a self-fertilizing plant, -ˈfertilizing ppl. a.
1859Darwin Orig. Spec. iv. 98 The contrivance seems adapted solely to ensure self-fertilisation.
Ibid. 100 Of aquatic animals, there are many self-fertilising hermaphrodites.
1865― in Life & Lett. (1887) III. 276, I conjectured that the Spider and Bee-orchids might be a crossing and self-fertile form of the same species.
1871A. W. Bennett in Jrnl. Linn. Soc., Bot. XIII. 149 It is very commonly the case in closed self-fertilized flowers for the pollen-tubes to penetrate the substance of the anther itself.
1877A. Gray in Amer. Jrnl. Sci. Ser. iii. XIII. 135 Many..flowers which are frequented by insects are none the less self-fertilizable.
Ibid. 126 The flowers of this species self-fertilize, but must also be habitually cross-fertilized.
1879G. Henslow in Pop. Sci. Rev. XVIII. 8 Scrophulariaceæ furnishes several self-fertilisers.
1917Genetics II. 525 That some of his families arising from selfed seed behaved exactly as the families arising from crossed seed shows that he is often (at least) dealing with a pseudo self-fertility. 1924Ibid. IX. 16 The self⁓fertile plants differed among themselves in the expression of their self-fertility. 1956Nature 10 Mar. 490/1 On hybridization, spontaneous self-fertility was restored. 1970Bot. Gaz. CXXXI. 139/2 Species were rated for self-fertility by their ability to set seed under isolated conditions. |