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Taking into account the climatic changes expected in the future, significant shrinking of the current favourable ecological zones for sunflower is anticipat‐ ed, and the transition period to that situation may be very short. The classical breeding process has a relatively long duration (7-9 years), so breeders are in‐ terested in taking advantage of some biotechnological methods (embryo rescue) for obtaining new sunflower lines with increasing tolerance to a certain stress factor. Improving drought tolerance of sunflower cultivars is a priority for a breeding program of the National Agricultural Research and Development Fundulea (NARDI-Fundulea) because it provides stable productions under a changing climate condition already seen in the past twenty years. In the period between 2008 and 2014 at NARDI-Fundulea, a research project was started to obtain new genotypes of sunflower with improved resistance to drought and heat through interspecific hybridization between H. annuus and H. argophyllus and that are suitable for application in organic culture. This re‐ search project received funding from the World Bank through a MAKIS project.

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Preliminary Results Regarding the Use of Interspecific Hybridization of Sunflower with Helianthus argophyllus for Obtaining New Hybrids with Drought Tolerance, Adapted to Organic Farming