Self-Fertilization

(redirected from self-fertile)
Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Self-Fertilization

 

the merging of male and female sex cells belonging to a single bisexual individual (see HERMAPHRODITISM). Self-fertilization is rarely observed in nature. In the process of evolution, most organisms acquired adaptations that made self-fertilization impossible and ensured cross-fertilization. These adaptations increased the genetic variation of the off spring, promoting, in turn, the elaboration of new adaptations and the development of more viable offspring. Self-fertilization is sometimes observed in hydras, flatworms, certain annelids, mollusks, and fishes. Among plants it is observed in many algae, fungi, and flowering plants. In flowering plants self-fertilization is a result of self-pollination.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Because self-fertile immature oocytes become self-sterile spontaneously by 3 h after germinal vesicle breakdown in vivo as well as in vitro, we allowed animals one week to accumulate mature gametes, followed by natural spawning instead of dissection to avoid contamination of immature oocytes.
It is self-fertile. The nuts, which are about the size of grapes, have shells that can be easily cracked.
Greenhouse Produce self-fertile Beit Alpha MR' (OP) 52 to 65 days to flowers, which do not 'Cool Breeze' (F1) maturity require pollination by 'Diva' (F1) insects.
For the blue grain rows of [F.sub.2] family lines, the self-fertile plants that segregated into white and blue grains were selected and harvested individually, and then planted as [F.sub.3] family lines using the same procedure as the [F.sub.2] generation.
Holly is an easy-to-grow evergreen, although you do need to plant male and female varieties near each other to get berries unless you specify you want a self-fertile type such as I.
Some hollies are self-fertile, with male and female flowers on the same plant, so one plant is able to produce berries.
Jenny is very special, being self-fertile, so there's no need to have another plant in the garden!
Although it's self-fertile and so can be grown alone, 'Sharpblue' does better when cross-pollinated with other southern highbush varieties such as 'Sunshineblue'.
You will keep unwanted visitors out and encourage birds to come into the garden with a prickly evergreen holly hedge - you'll need a mix of both male and female plants for berries unless you grow a self-fertile variety such as Ilex JC van Tol.
Most gardens should be able to accommodate one apple tree, ideally two because no apple is completely self-fertile.