Types of Releases and Seed Certification

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Types of Releases and Seed Certification Types of
Releases recognized by TAES Genetics Stocks
Germplasm or Germplasm Lines Breeding Lines
Commercial Cultivars or Inbred Lines Cultivar
an economic subdivision of a species Distinct
can be differentiated by 1 characteristics from
all other cultivars of public
knowledge Uniform distinctive traits are
describable and any variation is necessary
for distinctiveness Stable will remain
unchanged through normal maintenance
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Types of Releases and Seed Certification Types of
Releases recognized by TAES Commercial
Cultivars or Inbred Lines Clonal
Cultivars cuttings tubers bulbs rhizomes ob
ligate apomicts Pure Line Cultivars (self
pollinated could be composed of 2 or more very
closely related lines phenotypically
similar) Multiline Cultivars (self pollinated
2 or more phenotypically similar but differing
in 1 or more characteristics lines grown
separately and composed in predetermined
ratio) PVP?
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Types of Releases and Seed Certification Types of
Releases recognized by TAES Commercial
Cultivars or Inbred Lines Clonal
Cultivars Pure Line Cultivars Multiline
Cultivars Open Pollinated (OP) Cultivars (cross
pollinated) Synthetic 1st Generation 1st
generation following the intercrossing of a
specific set of clones or seed propagated
lines. Advanced Generation The advanced
generations following the intermating of a
specific set of clones
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Types of Releases and Seed Certification Types of
Releases recognized by TAES Commercial
Cultivars or Inbred Lines Clonal
Cultivars Pure Line Cultivars Multiline
Cultivars Open Pollinated (OP) Cultivars
Synthetic, 1st Generation or Advanced
Generation Hybrids (F1 or F2 (occasionally)
single cross 3-way cross double cross inbred
x inbred inbred x OP etc.
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Seed Certification Definitions Mixture seeds or
plants of more than one kind or cultivar, each
occurring at more than 5 of the total (NOT
ACCEPTABLE) Variant seeds or plants which are
described by the breeder as being different from
the vast majority of the rest of the plants or
seeds in the cultivar (ACCEPTABLE if
described) occur naturally distinct within the
cultivar stable and predictable Offtype any
seed or plant not a part of the cultivar in that
it deviates in one or more morphological or
physiological characteristics as cultivar
described by the BREEDER. mechanical
mixtures outcrossing poor pollination control,
i.e. selfing, in hybrid seed production
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Seed Certification General Requirements Breeders
Seed (controlled by breeder/company) some
amount given to Foundation Seed Service
(TAES) Foundation Seed field planted and
Foundation Seed harvested Foundation field
and/or seed inspected 1/10,000 offtypes
permitted Registered Seed field planted and
Registered Seed harvested Registered field
and/or seed inspected 1/5,000 offtypes
permitted Certified Seed field planted
and Certified Seed harvested Certified field
and/or seed inspected 1/1,000 offtypes
permitted Certified Seed sold to farmers
White tag
Purple tag
Blue tag
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Seed Certification Programs and
Requirements Programs in most if not all
states conducted by the state department
agriculture or state and seed plant
boards or foundation seed service
organization all under state
regulation Search web for Seed Certification Check
www.ag.auburn.edu/ssca/ for the Southern Seed
Certification Association