hexaploid

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hexaploid

See polyploid.
References in periodicals archive ?
Ten spring-type synthetic hexaploid (SH) wheat germplasm lines and six spring-type bread wheat (Triticum aestivum L.
Five spring-type synthetic hexaploid (SH) wheat germplasm lines and seven spring-type bread wheat (Triticum aestivum L.
Synthetic hexaploids have shown substantial variability for seedling vigor, straw strength, plant height, phenological cycle, grain characteristics, and also for grain yield and its components (Villareal et al.
Hexaploids represented 73% of the collection (Table 1) and were more common in the eastern parts of the collection area (Fig.
All hybrids between A genome diploids and the hexaploids have been produced (Leggett and Thomas, 1995); however, none of these hybrid combinations exhibited the level of chromosome homology that would suggest one of them to be the donor of the A genome.
m] compared with its recurrent parent, indicating that synthetic hexaploids may constitute a valuable source to enhance wheat photosynthesis.
All the world's existing wheat is related to Triticum genus and has about six thousand species categorized into three main groups: diploid, tetraploid and hexaploid wheat (Chantret et al.
allopolyploid origin of Mexican tetraploids and hexaploids (except S.
Morphological and fertility responses in isogenic triploid and hexaploid pearl millet x napier-grass hybrids.
Within ploidy levels, the range of GSCs and the average GSC of tetraploids were smaller than those of the hexaploids and pentaploids, showing that the Chinese tetraploid Cynodon contained much wider genetic diversity compared with the pentaploid and hexaploid cytotypes.
The last two groups, the tetraploids and the hexaploids, have originated from the first group by doubling the number of chromosomes.