We have established in vitro culture conditions for globular zygotic wheat embryos (Triticum aestivum L.). Their nutritional requirements have been systematically investigated. The initial sucrose concentration, as well as the sucrose concentration during the culture, a 6-benzylaminopurine supplement, the use of nitrates and ammonium as nitrogen source have a major influence on the embryo development. Proline has an inhibitory effect on the germination. A double layer system with different media was used to give a continuous variation of the medium composition with time. These culture conditions allowed normal direct embryogenesis in up to 47% of the globular embryos.
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Fischer, C., Neuhaus, G. In vitro development of globular zygotic wheat embryos. Plant Cell Reports 15, 186–191 (1995). https://doi.org/10.1007/BF00193717
- Embryo Development
- Sucrose Concentration
- Shoot Apical Meristem
- Root Meristem
- Shoot Meristem