DNA content analysis of smooth pigweed (Amaranthus hybridus) and tall waterhemp (A. tuberculatus): Implications for hybrid detection

Research output: Contribution to journalArticlepeer-review

Abstract

Prior research indicated that analysis of nuclear DNA content by flow cytometry could be used to distinguish smooth pigweed × tall waterhemp hybrids when the parent lines are known. Flow cytometry was performed on nuclei isolated from several Illinois populations of smooth pigweed and tall waterhemp. The smooth pigweed and tall waterhemp analyzed had nonoverlapping 2C nuclear DNA content values, with mean values of 1.04 and 1.34 pg, respectively. The consistent difference in DNA content observed between the two species indicates that DNA content analysis can be used to distinguish their hybrid progeny in natural populations.

Original languageEnglish (US)
Pages (from-to)1-3
Number of pages3
JournalWeed Science
Volume51
Issue number1
DOIs
StatePublished - Dec 1 2003

Keywords

  • DNA content
  • Flow cytometry
  • Hybridization
  • Intraspecific variation

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Plant Science

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