AMARANTH

Descriptors
Category: CHEMICAL
  1. SEED STARCH TYPE (SEEDSTARCH) THE PERCENT OF OPAQUE PERISPERM SEEDS, WHICH STAIN REDISH-BROWN WITH IODINE, OR OBSERVED THROUGH LIGHT COLORED SEED COATS. A LOW PERCENT OPAQUE INDICATES A HIGH PERCENT TRANSLUCENT. REFERENCE: OKUNO AND SAKAGUCHI 1982 HEREDITY 73:467.
Category: COMMENT
  1. REFERENCE ACCESSION (REFERENCE) REFERENCE FOR DISTINCTIVE CHARACTERISTICS
Category: GENSTOCK
  1. CMS backcrosses, crossed to diverse males (CMS backcrosses X male) The cytoplasmic male sterile (CMS) PI 686465 (DB 199313) male sterility was crossed with a male fertile maintainer for one or more doses, and then crossed with another male. These are observations of the progeny from crossing with the other male.
  2. CMS maint cross then 2nd cross (CMS maint cross then 2nd cross) Accessions used as maintainers in crosses with (CMS) PI 686465 (DB 199313) then the resulting male sterile progeny were crossed with PI 538323 (K432) in a restoration attempt.
  3. CMS-CROSS NOT with PI 686465 (CMS-CROSS NOT with PI 686465) A male sterile OTHER THAN (CMS) PI 686465 (DB 199313) was crossed with a male fertile male and this was the outcome. Male sterile crossing outcomes with miscellaneous parents including literature reports
  4. CMS CROSS OUTCOME with PI 686465 (CMS-CROSS with PI 686465) The cytoplasmic male sterile (CMS) PI 686465 (DB 199313) was crossed with a male fertile male and this was the outcome.
  5. MALE STERILITY (MALESTERIL) MALE STERILITY - POLLEN IS NOT VIABLE.
Category: GROWTH
  1. GROWTH HABIT (GROWTHHAB) GROWTH HABIT (USES THE IPGRI SYSTEM)
  2. PLANT HEIGHT (PLNTHEIGHT) THE HEIGHT OF ADULT PLANTS OR OF NON-FLOWERING PLANTS AT THE END OF THE GROWING SEASON. MEASURED IN CENTIMETERS FROM THE GROUND TO THE INFLORESCENCE TOP.
Category: MORPHOLOGY
  1. SEED ABSCISION (ABSCISION) ABSCISION ZONES OF SEED HOLDING UTRICLES AT MATURITY.
  2. ADULT STEM COLOR (ADSTEMCOL) ADULT STEM COLOR
  3. BLADE PIGMENTATION (BLADEPIG) BLADE PIGMENTATION, MOST CLEAR BEFORE FLOWERING. IT DOES NOT INCLUDE THE PIGMENTATION OF SENESCENT LEAVES OR THE IRIDESCENT PURPLE COLOR UNDER SOME JUVENILE OR NEW LEAVES.
  4. BLADE RATIO (BLADERATIO) LEAF BLADE LENGTH: WIDTH RATIO, MEASURED ACROSS THE WIDEST PART OF THE BLADE, ON ADULT PLANTS.
  5. BLADE SHAPE (BLADESHAPE) BLADE SHAPE ON ADULT PLANTS. SHAPES CAN BE MODIFIED WITH BLADE RATIO INFORMATION.
  6. BRACT LENGTH IN MILLIMETERS (BRACTLEN) BRACT LENGTH IN MILLIMETERS
  7. BRANCHING INDEX (BRANCHING) BRANCHING INDEX (USES IPGRI SYSTEM)
  8. FLOWER COLOR (FLOWERCOL) FLOWER COLOR
  9. HYPOCOTYL LENGTH (HYPOCOTYL) MEASURE IN MILLIMETERS FROM THE SOIL, OR THE TOP OF THE RADICAL, TO THE COTYLEDON ATTACHMENTS. FOR PLANTS THAT ARE NOT TRANSPLANTED, AND ARE MORE THAN A MONTH OLD.
  10. INFLORESCENCE DENSITY (INFLODENS) INFLORESCENCE DENSITY (IPGRI SYSTEM)
  11. INFLORESCENCE SHAPE (INFLOSHAPE) INFLORESCENCE SHAPE (MODIFIED IPGRI SYSTEM)
  12. MARBLED INFLORESCENCE (MARBLED) INFLORESCENCE ON ANY OF THE PLANTS MARBLED, SO GROUPS OF FLOWERS HAVE CONTRASTING COLORS (OCCASIONAL ON A. cruentus).
  13. MORPHOLOGICAL GROUP (MORPHOLOG) MORPHOLOGICAL GROUP, BASED ON THE RODALE RESEARCH CENTER SYSTEM.
  14. PETIOLE PIGMENTATION (PETIOLEPIG) PETIOLE PIGMENTATION (MODIFIED IPGRI SYSTEM)
  15. SEED COLOR (SEEDCOLOR) SEED COLOR frequency
  16. SEEDLING COLOR (SEEDLGCOL) THE PERCENTAGE OF THE SEEDLING WITH ANY STEM OR LEAF AMARANTHINE (RED COLORING) IN A GIVEN NUMBER OF EVALUATED SEEDLINGS. THIS DISTINGUISHES THE SEEDLINGS WITH AMARANTHINE FROM GREEN AND ORANGE SEEDLINGS. SCORE WITHIN 3 WEEKS AFTER GERM.
  17. SEED SHAPE (SEEDSHAPE) SEED SHAPE
  18. SEX TYPE (SEXTYPE) SEX TYPE (MODIFIED IPGRI SYSTEM)
  19. TAXONOMIC VERACITY (TAXONOMIC) Taxonomic veracity with reference to the comment in Public GRIN "observation details", or to the GRIN species determination.
  20. TERMINAL INFLORESCENCE (TERMINFLO) TERMINAL INFLORESCENCE ATTITUDE
Category: PHENOLOGY
  1. ADAPTATION FOR SEED MATURITY (ADAPTATION) THE SEED MATURITY BEFORE FROST.
  2. DAYS TO FLOWER IN LONG DAYS (DAY-LONG) Days from seedling emergence to infloresence emergence in a daylength that is long enough to delay flowering
  3. RESPONSE DAYLENGTH FLOWERING (DAY-RESPON) Time-to-flowering response in contrasting long vs short daylengths.
  4. DAYS TO FLOWER IN SHORT DAYS (DAY-SHORT) Days from seedling emergence to inflorescence emergence in a daylength that is short enough to induce flowering.
Category: PRODUCTION
  1. HUNDRED SEED WEIGHT (HSEEDWT) THE WEIGHT IN GRAMS OF 100 SEEDS. TAKEN FROM THE HUNDRED SEED WEIGHTS IN THE GRIN INVENTORY.