black locust (Robinia pseudoacacia, TBL), a polyploid woody plant bred through artificial doubling of the chromosome of the diploid R.
(20) Some CHMs are tetraploid
rather than diploid, but these are also purely androgenetic.
These studies further suggested that interspecific tetraploid
somatic hybrid plants exhibit incompatibility or low fertility.
Most of the pastures have been reseeded in the last six years with diploid and tetraploid
perennial ryegrasses and white clover: last year the farm grew 14.4 tonnes DM/ha, according to the computer software that underpins all grassland management decisions.
sexual ruzigrass was produced by in vitra-colchicine treatment with multiple-shoot clumps or seedlings for the Brachiaria breeding program as a source of sexuality .
Induction to a larger ploidy other than a triploid, such as a tetraploid
, is viable when eggs derived from triploids are fertilized with sperm from diploids, inhibiting the extrusion of the first polar body during meiosis I (Guo & Allen 1994b).
, pentaploid, etc.) (Figures 3-5).
Galax is a natural autopolyploid series that includes diploid, triploid, and tetraploid
individuals occurring in uniform- as well as mixed-cytotype populations (Baldwin, 1941; Nesom, 1983; Burton and Husband, 1999; Servick et al., 2015).
complementation," it "combines pluripotent stem cells (which create the embryonic body) with a second cell type that can generate a trophoblast and placenta," Prentice said.
GISH results indicated the first evidence that the North and Central American tetraploid
species (belongs to longipedicellata series, Solanaceae) are allotetraploids.
Callus cultures of tetraploid
(Durum-97) and hexaploid (Shafaq-06) wheat genotypes exposed to different cadmium (Cd) concentrations (0, 100, 400, 800 and 1200 uM) and its alleviation by salicylic acid (0, 0.5 mM) were assayed for growth, antioxidant responses and Cd accumulation characters.