词汇 | self-fertilize |
释义 | self-fertilize verb[ I ] biology specialized(UK usuallyself-fertilise)uk /ˌselfˈfɜː.tɪ.laɪz/ us /ˌselfˈfɝː.t̬əl.aɪz/ to start developing into a new plant or animal after joining with a male cell from the same plant or animal, rather than a different one: 自育 He let the yellow pea plants self-fertilize to see what the second generation would look like.他让黄色豌豆植物自育,看下一代会长成什么样。 Those seeds can either self-fertilize or be cross-pollinated by a variety of insects.这些种子可以自育,也可以通过各类昆虫交叉授粉。 See self-fertilization Other lizard species are known to self-fertilise. Individuals of other species are both male and female, including some that can self-fertilize. These plants produce nonfunctional pollen and, consequently, are unable to self-fertilize. Plant reproduction anther asexual reproduction asexuality asexually barrenness breeder chasmogamous endosperm germinate palynology pistillate placentation pollinate pollination self-incompatible self-pollination sexlessly siltation sporangium stamen Examples of self-fertilizeself-fertilize Species in which isolated individuals can self-fertilize are generally good colonists. Although it can self-fertilize, it requires a pollen vector. A fraction r of the individuals self-fertilize, the remaining (1kr) reproducing through complete outcrossing. Depending upon conditions, garlic mustard flowers either self-fertilize or are cross-pollinated by a variety of insects. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There are cleistogamous flowers, which self-fertilize and never open, and chasmogamous flowers, which open and receive pollen from other plants. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Its ability to self-fertilize allows a single individual to enter new habitat and then reproduce. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In these systems, hermaphrodites can only fertilize their own eggs (self-fertilize) and do not mate with other hermaphrodites. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They can self-fertilize, and release up to 2,000 juveniles per day, and more than 100,000 in a lifetime. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Miscanthus, however, does not self-fertilize and is permeable to frost, thus it may not serve as appropriate depending on the location. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Plants adapted to self-fertilize often have similar stamen and carpel lengths. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Unlike some hermaphrodites, however, leeches can not self-fertilize. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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