Among the Chinese accessions, the pentaploid
genotypes separated from tetraploid and hexaploid accessions (Fig.
1982) could not resynthesize pentaploid
hybrids in crosses of S.
Diplosporous and aposporous apomixis in a pentaploid
race of Paspalum minus.
In our previous study, [greater than or equal to]19 bivalents could be observed in about 80% of PMCs of pentaploid
Buffalograss Ploidy Sex genotypes levels ([dagger]) expression 2 hexaploid F/M 4A hexaploid F 83 hexaploid M 68 pentaploid
F ([double dagger]) 188 hexaploid F ([double dagger]) 170 hexaploid M/F 77 hexaploid F ([double dagger]) 209 hexaploid M ([double dagger]) 126 hexaploid F 123 hexaploid F 193 hexaploid F 46 diploid M 187 hexaploid M 70 tetraploid F 20B pentaploid
F 223A hexaploid M ([double dagger]) 203 hexaploid F 34 hexaploid F 184A hexaploid M 153B hexaploid F ([double dagger]) PX3 5.
Second-order models for tetraploids and pentaploids
Regeneration of anther-derived plants from pentaploid
hybrids of Festuca arundinacea x Lolium multiflorum.
When formed, bread wheat x jointed goatgrass hybrids are expected to be sterile because they are pentaploid
(2n = 5x = 35) and hybrids lack chromosome pairing during meiosis except for the chromosomes of the D genomes.
plants obtained in 1998 onto cv.
Little attention has been focused on the pentaploid
jointed goatgrass x wheat hybrids (hereafter hybrids), primarily because of their expected sterility.
The only known pentaploid
, `Tifton 85' (Burton and Hanna, 1995), was in Cluster D, indicating its unique morphology and pedigree.
The cultivated species range in ploidy level from diploid (2n = 2x = 24) to pentaploid
(2n = 5x = 60).