Abstract
The sunflower, unlike other phytotechnical plants, tolerates drought much better, this is primarily due to the better developed root system with a high capacity to absorb and solubilize water and nutrients from the soil, for a longer period of time, its ability to reduce evapotranspiration and, respectively, the possibility of a rapid return of the leaves to the state of turgor, but the production decreases proportionally to the intensity and duration of these processes. To achieve high performance, sunflower cultivars must have stable F1 heterosis, high seed oil content, high production capacity, short growing season, uniformity in average plant height, high resistance to agents pathogens. In the ecopedological conditions of the Bărăşti - Olt area, on a preluvosol type soil, research was carried out on a number of 6 hybrids: Favorit, Performer, Venus, Saturn, Alex, Vera, the production results highlighting their different adaptation to specific culture conditions. The highest yields were recorded for the Performer hybrid -3935 kg/ha and the Venus hybrid -3786 kg/ha. All hybrids achieved productions above 3000 kg/ha.
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