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Definition
| New plant generation developed after sexual union of male and female gametes after fertilization. Basic structure: embryo axis with growing points at each end-one grows shoots, the other roots- also one or more cotyledons attached to embryo axis |
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Definition
| The sexual union of a male and female gamete |
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| The major storage tissue in seeds. It is derived from the haploid female gametophyte in gymnosperms, while in angiosperms it is the result of gamete fusion that forms a triploid (3n) storage tissue. |
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| Significant portion of embryo that forms the "embryonic leaves" upon germination |
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| Develops from integuments of the ovule; protective seed covering layer that surrounds seed to provide physical protection, acts to exclude water and gases. |
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| Seedlings with only one modified cotyledon |
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| Seedlings with two cotyledons |
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| Stage 1 of seed development, characterized by differentiation of embryo and endosperm, mostly due to division. |
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| Tolerate maturation drying and represent condition of most crop seeds |
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| Seeds that are unable to withstand maturation drying |
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| The scar left on the seed after funiculus detachment |
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Definition
| Opening between the integuments through which the pollen tube enters the ovule |
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Definition
| The attachment between the ovary and ovule |
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Definition
| When a seed germinates while still attached to mother plant |
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Definition
| A population of seedlings that are phenotypically dissimilar |
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Definition
| A population of seedlings that are phenotypically similar |
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Definition
| A population of seedlings whose genotypes are very similar |
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Definition
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Definition
| A population of seedlings whose genotypes are dissimilar |
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Definition
| The transfer of male pollen to a female stigma within a single flower |
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Definition
| The transfer of male pollen from a separate flower to a receptive female stigma on another flower |
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| Plant trait in which the male and female parts are in different flowers but on the same plant |
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Definition
| Plant trait in which male and female flowers are produced on different plants |
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Definition
| Genetic trait in which the pollen either fails to grow down the style or does not germinate on the stigma of a plant with the same incompatibility rules |
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| A population of seedlings that produced a consecutive series of self-pollinations, can lead to depression and loss of vigor |
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| a seedling that is produced by cross pollinating two or more parental lines |
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| Primitive varieties developed and maintained before the modern era of agriculture |
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| A population of plants originating in nature that are within one species but are phenotypically distinct |
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| A genetically distinct group of plants within a species that is adapted to a specific ecological location |
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| continuous genetic variation from one area to another in ecological adaptation |
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| Genetically identical organism |
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| a forestry term used to indicate the climatic and geographical locality where the seed originated from |
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Definition
| change in frequency of specific genes as a result of environmental or other types of selection |
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Definition
| Correlation between phenotypic traits of offspring with the phenotypic traits of the parents |
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| When germination is inhibited |
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Definition
| When the temperature inhibits germination |
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