octaploid


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Related to octaploid: Allopolyploids

octaploid, octaploidic

See polyploid.

octaploid

(ŏk′tă-ployd″)
1. Pert. to octaploidy.
2. Having eight sets of chromosomes.
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References in periodicals archive ?
We have also applied C-banding cytogenetic analyses to tetraploid and octaploid B.
1]) used in this study by four would give an octaploid DNA level of 24.
If one or more of these diploids were parent genome donors for tetraploid and octaploid B.
Both Rychlewski (1970) and Armstrong (1977) reported difficulties in karyotyping octaploid B.
Objectives of this study were to identify individual chromosomes of tetraploid and octaploid B.
Plants from four tetraploid (PI 440202, PI 440203, PI 440204, and PI 499401) and two octaploid B.
Controlled interploidy crosses using the emasculation and hybridization technique described by Martinez-Reyna and Vogel (1998) were conducted in the greenhouse with tetraploid plants of Summer and Kanlow and octaploid plants of SD4 and IA25.
The percentages of self-compatibility in the tetraploid and octaploid parent plants were 0.
The average DNA content of the octaploid species were 22.
inermis has the genomic composition of AABB while the octaploid form has AAAABBBB (Hill and Carnahan, 1957; Armstrong, 1973, 1979, 1982, 1991).
Since the octaploids have 2 x the DNA content of the tetraploids and have the same cpDNA origin, they may have arisen by a natural doubling of chromosomes.