Study of the parentage of grape cultivars by genetic interpretation of GPI-2 and PGM-2 isozymes

Chie Ohmi, Akira Wakana, Shin ichi Shiraishi

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10 Citations (Scopus)

Abstract

Two highly variable enzyme systems of glucosephosphate isomerase (GPI) and phosphoglucomutase (PGM) were used to investigate the parentages of grape cultivars. Of 35 parent/offspring combinations that we investigated, 30 combinations gave alleles in the offspring which were presented in the reported parents, whereas 5 combinations gave alleles in the offspring which were not extractable from the reported parents. The Gpi-2 genotype of 'Hiro Hamburg' and the Pgm-2 genotype of 'Pione' indicated that 'Koshu Sanjaku' and 'Cannon Hall Muscat' may not have been the paternal parent respectively. The Gpi-2 genotype of 'New Niagara' and the Gpi-2 and Pgm-2 genotypes of 'Beniyamabiko' indicated that 'Niagara' and a hybrid from 'DxK151' x 'Delaware' may not have been the maternal parent respectively. The Gpi-2 genotype of 'Cannon Hall Muscat' grown in Japan indicated that this cultivar may not have originated as a tetraploid sport of 'Muscat of Alexandria'.

Original languageEnglish
Pages (from-to)195-202
Number of pages8
JournalEuphytica
Volume65
Issue number3
DOIs
Publication statusPublished - Jan 1992

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Genetics
  • Plant Science
  • Horticulture

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