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Drought poses a major challenge to potato production worldwide. Climate change is predicted to further aggravate this challenge by intensifying potato crop exposure to increased drought severity and frequency. There is an ongoing effort to adapt our potato production systems through development of drought-tolerant cultivars that are appropriately engineered for the changing environment. Breeding of drought- tolerant cultivars can be approached through the identification of drought-related physiological and biochemical traits and their deployment in new potato cultivars. Thus, the main objective of this study was to develop a method to identify and characterize potato genotypes tolerant to drought and related key traits. To achieve this objective, first we studied 56 potato genotypes including 51 cultivars and 5 advanced breeding lines to assess drought tolerance in terms of tuber yield in the greenhouse experiment. Drought differentially reduced tuber yield in all genotypes. Based on t ....
Tek mali broj pčelara u Srbiji ove sezone se može pohvaliti dobrim prinosima meda. Stacionarni su izvrcali minimalne količine bagrema, dok su seleći ipak imali bolji prinos tog najtraženijeg meda na tržištu. Dobra vest je da je otkupna cena meda u Srbiji i pored toga i dalje izuzetno visoka – 6,3 evra po kilogramu. ....
Alpine ski racers, specifically in the discipline of downhill, may experience fear competing in such a high-risk environment. The purpose of this study was to explore Canadian national team men’s experience and management of fear in World Cup alpine ski racing. This study uses an interpretive phenomenological analysis, conducted with five male members of the Canadian national ski team. Three themes emerged: contextual influences, preparation and process, and risk vs. reward. The findings indicate one’s experience and management of fear may be influenced by contextual factors (e.g., weather, course profile) and confidence, and that confidence is influenced by the same situational factors that influence fear as well as athlete preparation. There currently exists a discrepancy between the athletes’ approaches to training and racing, making it difficult to master fear management strategies. As a result of the discrepancy created between training and racing, there are several implicat ....