Adiredjo A.L., Navaud O., Muños S., Langlade N.B., Lamaze T., Grieu P. (2014): Genetic control of water use efficiency and leaf carbon isotope discrimination in sunflower (Helianthus annuus L.) subjected to two drought scenarios. Plos One, 9(7): e101218. Alahdadi I., Oraki H., Khajani F.P. (2011): Effect of water stress on yield and yield components of sunflower hybrids. African Journal of Biotechnology, 10: 6504–6509.Allinne Clémentine, Maury Pierre, Sarrafi Ahmad, Grieu Philippe (2009): Genetic control of physiological traits associated to low temperature growth in sunflower under early sowing conditions. Plant Science, 177, 349-359  https://doi.org/10.1016/j.plantsci.2009.07.002Balbuena Tiago S., Salas Joaquín J., Martínez-Force Enrique, Garcés Rafael, Thelen Jay J. (2011): Proteome Analysis of Cold Acclimation in Sunflower. Journal of Proteome Research, 10, 2330-2346  https://doi.org/10.1021/pr101137qBeck Erwin H, Fettig Sebastian, Knake Claudia, Hartig Katja, Bhattarai Tribikram (2007): Specific and unspecific responses of plants to cold and drought stress. Journal of Biosciences, 32, 501-510  https://doi.org/10.1007/s12038-007-0049-5Bilska-Kos Anna, Solecka Danuta, Dziewulska Aleksandra, Ochodzki Piotr, Jończyk Maciej, Bilski Henryk, Sowiński Paweł (2017): Low temperature caused modifications in the arrangement of cell wall pectins due to changes of osmotic potential of cells of maize leaves (Zea mays L.). Protoplasma, 254, 713-724  https://doi.org/10.1007/s00709-016-0982-yBykova Olga, Sage Rowan F. (2012): Winter cold tolerance and the geographic range separation of Bromus tectorum and Bromus rubens, two severe invasive species in North America. Global Change Biology, 18, 3654-3663  https://doi.org/10.1111/gcb.12003 Centinari M., Smith M.S., Londo J.P. (2016): Assessment of freeze injury of grapevine green tissues in response to cultivars and a cryoprotectant product. Hortscience, 51: 856–860.Duman John G., Wisniewski Michael J. (2014): The use of antifreeze proteins for frost protection in sensitive crop plants. Environmental and Experimental Botany, 106, 60-69  https://doi.org/10.1016/j.envexpbot.2014.01.001Hejnák Václav, Nemcová Lenka, Matejovi^ Martin, Martinková Jaroslava, Hnili^ka František, Skalický Milan, Grieu Philippe (2014): Physiological responses as influenced by night freeze stress at the beginning of vegetative growth of sunflower. Research on Crops, 15, 473-  https://doi.org/10.5958/2348-7542.2014.00140.5Hewezi Tarek, Léger Mathieu, El Kayal Walid, Gentzbittel Laurent (2006): Transcriptional profiling of sunflower plants growing under low temperatures reveals an extensive down-regulation of gene expression associated with chilling sensitivity. Journal of Experimental Botany, 57, 3109-3122  https://doi.org/10.1093/jxb/erl080Karim Houmanat, Mohamed EL Fechtali, Hamid Mazouz, Abdelghani Nabloussi (2016): Evaluation and selection of promising sunflower germplasm under early winter planting conditions. African Journal of Agricultural Research, 11, 4610-4618  https://doi.org/10.5897/AJAR2016.11449Hussain Safdar, Ahmad Muhammad, Ahmad Saeed, Iqbal Javaid, Subhani Muhammad Nasir, Nadeem Sajid Mahmood, Atta Sagheer, Ibrahim Muhammad (2013): Improvement of Drought Tolerance in Sunflower (Helianthus annuus L.) By Foliar Application of Abscisic Acid and Potassium Chloride. Pakistan Journal of Nutrition, 12, 345-352  https://doi.org/10.3923/pjn.2013.345.352Janmohammadi Mohsen, Zolla Lello, Rinalducci Sara (2015): Low temperature tolerance in plants: Changes at the protein level. Phytochemistry, 117, 76-89  https://doi.org/10.1016/j.phytochem.2015.06.003 Janská A., Maršík P., Zelenková S., Ovesná J. (2010): Cold stress and acclimation – What is important for metabolic adjustment? Plant Biology, 12: 395–405. Killi Dilek, Bussotti Filippo, Raschi Antonio, Haworth Matthew (2017): Adaptation to high temperature mitigates the impact of water deficit during combined heat and drought stress in C3 sunflower and C4 maize varieties with contrasting drought tolerance. Physiologia Plantarum, 159, 130-147  https://doi.org/10.1111/ppl.12490Kosová K., Vítámvás P., Prášil I. T. (2007): The role of dehydrins in plant response to cold. Biologia Plantarum, 51, 601-617  https://doi.org/10.1007/s10535-007-0133-6Li Weiqi, Wang Ruiping, Li Maoyin, Li Lixia, Wang Chuanming, Welti Ruth, Wang Xuemin (2007): Differential Degradation of Extraplastidic and Plastidic Lipids during Freezing and Post-freezing Recovery in Arabidopsis thaliana. Journal of Biological Chemistry, 283, 461-468  https://doi.org/10.1074/jbc.M706692200Liu Y.F., Qi M.F., Li T.L. (2012): Photosynthesis, photoinhibition, and antioxidant system in tomato leaves stressed by low night temperature and their subsequent recovery. Plant Science, 196, 8-17  https://doi.org/10.1016/j.plantsci.2012.07.005Mahajan Shilpi, Tuteja Narendra (2005): Cold, salinity and drought stresses: An overview. Archives of Biochemistry and Biophysics, 444, 139-158  https://doi.org/10.1016/j.abb.2005.10.018Peixoto Murilo de Melo, Friesen Patrick Calvin, Sage Rowan F. (2015): Winter cold-tolerance thresholds in field-grown Miscanthus hybrid rhizomes. Journal of Experimental Botany, 66, 4415-4425  https://doi.org/10.1093/jxb/erv093 Scott P. (2008): Physiology and Behaviour. New York, John Wiley and Sons, 305.Sharma Dew Kumari, Andersen Sven Bode, Ottosen Carl-Otto, Rosenqvist Eva (2015): Wheat cultivars selected for high F _v /F _m under heat stress maintain high photosynthesis, total chlorophyll, stomatal conductance, transpiration and dry matter. Physiologia Plantarum, 153, 284-298  https://doi.org/10.1111/ppl.12245Steponkus P L (1984): Role of the Plasma Membrane in Freezing Injury and Cold Acclimation. Annual Review of Plant Physiology, 35, 543-584  https://doi.org/10.1146/annurev.pp.35.060184.002551Skoric D. (2009): Sunflower breeding for resistance to abiotic stresses. Helia, 32, 1-15  https://doi.org/10.2298/HEL0950001STetreault Hannah M., Kawakami Takeshi, Ungerer Mark C., Levy Charlotte (2016): Low Temperature Tolerance in the Perennial Sunflower Helianthus maximiliani. The American Midland Naturalist, 175, 91-102  https://doi.org/10.1674/amid-175-01-91-102.1Xin Z., Browse J. (2000): Cold comfort farm: the acclimation of plants to freezing temperatures. Plant, Cell and Environment, 23, 893-902  https://doi.org/10.1046/j.1365-3040.2000.00611.x