In addition to the maintenance breeding of varieties in professional biodynamic farming conditions, breeding new varieties is also one of the declared aims of Kultursaat. The preferred method is positive mass selection, successful when carried out in large crop stocks. The carrot variety Rodelika, for example, was developed using this method based on a strict selection of plants with harmonic constitution of root and leaf, sweet flavor, and a strong nutty aroma. Even spontaneously occurring “deviants” in a large and otherwise uniform stock can be interesting starting points for the development of new varieties. Especially in the case of self-pollinators, such as tomatoes, can the variety of forms be increased by first combining lines and further developed in the direction of desired lines via the selection of single plant progenies.
Beyond the classical breeding objectives of improving yield and uniformity (which are particularly important for professional cultivation and for official approval, such as for the national Plant Variety Registry), biodynamic plant breeding puts into foreground those aspects that work positively toward improved food quality. In particular, these aspects include:
- Open-pollinated (fertile, reproducible) varieties,