rdf-syntax-grammar
mods:
  schema location: http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
  title info:
    non sort: A
    title: charcterization of sorghum for genes affecting pericarp color and polyphenols
  name:
    name part: Raab, Quinton Joe
    name part: 1958-
    role:
      role term: creator
  name:
    name part: Miller, F. R.
    role:
      role term: degree supervisor.
  name:
    name part: Newton, R. J.
    role:
      role term: degree committee member.
  name:
    name part: Rooney, L. W.
    role:
      role term: degree committee member.
  name:
    name part: Smith, J. D.
    role:
      role term: degree committee member.
  name:
    name part: Texas A & M University
    role:
      role term: degree granting institution.
  type of resource: text
  genre: bibliography
  genre: Academic theses
  origin info:
    place:
      place term: xx
    date issued: 1985
    issuance: monographic
  language:
    language term: eng
  physical description:
    form: print
    extent: xiv, 169 leaves : illustrations ; 29 cm
  abstract: Inbred lines, F1 crosses and progeny from F2 populations were utilized to determine if the primary loci which control pericarp color (R, Y, B1, B2 and S) affected tannin presence and concentration differently when they were homozygous as opposed to heterozygous. The semi-automated Modified Vanillin-HCl assay (McDonough et al., 1983) was utilized to chemically assay the grain. When the inbred cultivars (all loci assumed to be homozygous) were chemically assayed, the grain could be separated into the three Groups proposed by Rooney and Miller (1982) based on pericarp genetics. When the F1 crosses (F2seed, loci heterozygous) and F2 progenies (F3seed, loci segregating) were chemically assayed, the grain could be separated into only two Groups: grain which did not contain a pigmented testa (Group I); and grain which did contain a pigmented testa (Group II or Group III). A clear distinction between Group II grain (B1-B1-ss) and Group III grain (B1-B2-S-) was not evident. The agreement between the chemical method of separating grain into three groups, originally proposed by Cummings (1973), and the genetic method of separating sorghum grain into three groups, proposed by Rooney and Miller (1982), was not as clear when loci B1, B2 and S were not homozygous. When the parental cultivars, F1 crosses and F2 progenies were considered as one population and specific genotypes compared (when a testa was present) grain with genotype B2b2 had a higher mean C.E. value than grain with genotype B2B2 . The data were not as convincing but the same phenomena seemed to occur at the B1 locus. Grain with genotype (S-) had a significally higher mean C.E. value than grain with genotype (ss). Genotype RR had a significantly higher mean C.E. value than genotype Rr which had a significantly higher mean C.E. value than rr. Genotype (Y-) had a significantly lower mean C.E. value than genotype (yy). White pericarp color (-- yy) yielded a significantly higher mean C.E. value than red pericarp color (R…
  note: "Major subject: Plant Breeding."
  note: Typescript (photocopy).
  note: Vita.
  note: Ph. D. Texas A & M University 1985
  note: Includes bibliographical references (leaves 134-139).
  subject:
    topic: Sorghum
    topic: Genetics
  subject:
    topic: Major plant breeding
  identifier: http://proxy.library.tamu.edu/login
  identifier: https://hdl.handle.net/1969.1/DISSERTATIONS-597634
  related item:
    location:
      url: http://proxy.library.tamu.edu/login
  related item:
    location:
      url: https://hdl.handle.net/1969.1/DISSERTATIONS-597634
  record info:
    record content source: TXA
    record creation date: 870824
    record change date: 20220103135246.0
    record identifier: in00000586085
    language of cataloging:
      language term: eng