Self Pollination
Self Pollination - Related Videos
02:40
Pollination and Flower Structure
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2020
Flowers are the reproductive, seed-producing structures of angiosperms. Typically, flowers consist of sepals, petals, stamens, and carpels. Sepals and petals are the vegetative flower organs. Stamens and carpels are the reproductive organs. Flowers must be pollinated to produce seeds. In angiosperms, pollination is the transfer of pollen from the anther of the stamen (the male structure) to the stigma of the carpel (the female structure). Flowers may be self-pollinated or cross-pollinated.
07:19
Field Experiments of Pollination Ecology: The Case of Lycoris sanguinea var. sanguinea
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Cited by 1 •
2016
To reveal the pollinator effectiveness of a given plant species, multiple methods of field experiments have been developed. This study demonstrates the basic methods of field experiments for pollination ecology using the case study of Lycoris sanguinea var. sanguinea and the novel pollination mechanism, breaking-bud pollination.
07:03
Establishing Pollination Requirements in Japanese Plum by Phenological Monitoring, Hand Pollinations, Fluorescence Microscopy and Molecular Genotyping
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Cited by 6 •
2020
A methodology for the determination of pollination requirements in Japanese plum-type hybrids is described, which combines field- and laboratory-pollinations and observations of pollen tubes under the fluorescence microscopy with the identification of S-genotypes by PCR and the monitoring of flowering for the selection of pollinizers.
08:08
Determination of Self- and Inter-(in)compatibility Relationships in Apricot Combining Hand-Pollination, Microscopy and Genetic Analyses
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Cited by 3 •
2020
We present a methodology to establish the pollination requirements of apricot (Prunus armeniaca L.) cultivars combining the determination of self-(in)compatibility by fluorescence microscopy with the identification of the S-genotype by PCR analysis.
07:12
Determination of Self-(In)compatibility and Inter-(In)compatibility Relationships in Citrus Using Manual Pollination, Microscopy, and S-Genotype Analyses
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2023
This protocol provides a rapid method for determining pollen compatibility and incompatibility in citrus cultivars.
FAQs
After pollen lands on a receptive stigma, it germinates and produces a pollen tube that extends through the style. The tube provides the route for sperm cells to reach the ovule, where fertilization takes place. This sequence links successful pollen receipt to seed formation and explains why stigma receptivity is a crucial condition for reproductive success.
Self-pollination provides reproductive assurance because a plant can produce seeds without obtaining pollen from a separate individual. That advantage becomes especially important when pollinators are scarce or compatible mates are unavailable. Its cost is reduced genetic mixing, so it generally produces less genetic variation than cross-pollination.
By keeping pollen transfer within one plant, self-pollination can preserve established genetic traits across generations. Cross-pollination instead combines genetic material from separate individuals and generally creates more variation. This contrast matters in biology because reliable inheritance may support consistency, whereas greater variation can influence a population’s capacity for adaptation.
A basic analysis follows the pathway from pollen arrival at a receptive stigma to pollen-tube growth through the style and sperm delivery to the ovule. The key outcome is whether fertilization occurs, because that determines whether the plant can proceed toward seed production. This sequence connects pollen transfer with reproductive success.
Plant breeders may favor self-pollination when the goal is to maintain established genetic traits rather than introduce greater genetic mixing. Because the process can support reliable seed production and preserve existing characteristics, it is relevant to breeding strategies and crop production. Its reduced variation should nevertheless be considered when adaptation is important.
Self-pollination can support seed production when external pollen sources are limited, making it relevant to crop production and plant population persistence. At the same time, its lower genetic variation can affect how populations respond to changing conditions. Biology therefore considers both outcomes: dependable reproduction and the longer-term consequences of limited genetic mixing.