... to introduce drought-resistant gene/genes from wild to Helianthus annuus L. cultivated species. Interspecific hybridisation, backcross (six generations) and self-pollination (two generations), and a rigorous ...
... The investigation encompassed the period 20082011. Interspecific F1 plants were obtained by embryo rescue techniques, and than as a results of and back-crossing and selfpollination with cultivated sunflower, ...