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20 Cards in this Set

  • Front
  • Back
5 biological concepts essential for plant propagator
1.sexual vs. asexual propagation
2.gene expression and the control of plant growth and development
3.hormonal control of plant growth and development
4.plant life cycles including phase change
5.plant nomenclature and the concept of the cultivar
mitosis
the active process of cellular division which occurs in meristematic sites such as roots, stems, leaves and cambium
six steps leading to formation of seeds
1.the formation of stamens and pistils in flower beds
2.the openeing of the flower indicating sexual maturity
3.pollination, the transfer of pollen from an anther,germination of the pollen and formation of the pollen tube
4.fertilization of the egg and polar nuclei from the pollen tube
5.growth of the fertilized egg and differentiation into an embryo plus a surrounding seed coat, the actual seed
6.maturation of the seed with an accumulation of stored food
the life cycle of flowering plants and ferns takes place in two alternating biological generations:
the sporophytic stage

the gametophyte stage
Life cycle of a fern

fern reproduction
x
p 18 book
Abscisic Acid
plant growth hormones that stimulate shoot elongation and control germination and dormancy p29
Apomixis
reproduction in which vegetative cells in the flower develop into zygotes to create seeds by a clonal reproduction process p36
Auxin
a plant growth hormone that controls adventitious root initiation and micropropagation stages p27
Cultivar
a group of plants that have originated in cultivation, are unique and similar in appearance and whose characteristics are maintained during propagation p13
Gamete
haploid male and female sex cells resulting from reduction division during meiosis
p15
Genotype
the total combination of genes- nuclear, cytoplasmic, & michochondrial
p16
Gibberellin
plant growth hormone that stimulate shoot elongation and control germination and dormancy
p29
Heterozygous
gene pairs predominately different on homologous ? chromosomes
p19
Homozygous
gene pairs predominately the same on homologous chromosomes
p19
Meiosis
the special kind of cell division that results in sex cells, which are utilized in sexual reproduction
p15
Mitosis
the special kind of cell division that results in vegetative propagation
p15
Ontogeny
stages of growth and development at different ages
p32
Phenology
stages of growth and development during seasonal cycles controlled by either temperature or moisture supply
p32
Phenotype
The overall appearance, performance, and adaptation of a particular plant
p16
Zygote
the single cell that resulted from the union of a male and female sex cell and which is the beginning of the life cycle of any organism
p14