Parental homozygosity ensures the homogeneity of the variety and this can be achieved by doubled haploid technology to avoid repeated self-pollination.
However, at present it is also possible to generate androgenic haploids/doubled haploids through in vitro microspore embryogenesis and by in vitro meiocyte-derived callogenesis.
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The homozygous doubled haploids produced during the Haplotech project were incorporated in the breeding programme of SME partners and are expected to speed up the creation of new varieties in the shortest time.
The aim of the EU-funded ‘Novel innovative doubled haploid technology for ornamental and medical plant breeding’ (Haplotech) project was to produce improved and environment friendly varieties faster, better and with lower cost.
Haploid plant cells are produced from pollen or egg cells or from other cells of the gametophyte; then, through induced chromosome doubling a doubled haploid cell is produced which can be grown into a doubled haploid plant.