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– 186 . 28. Nagy , K. , Lévai , L. , Kovács , B. ( 2010 ) The effect of selenium supply on maize and sunflower . Növénytermelés 59 , 61 – 84 . (In Hungarian
) Regeneration of fertile plants from protoplasts of sunflower ( Helianthus annuus L.). Plant Cell Rep. 10 , 161–166. Bidney D. Regeneration of fertile plants from protoplasts of
Benedek, P., Manninger, S. (1972): A napraforgó megporzó rovarai és a háziméh tevékenysége a napraforgón. (Pollinator insects of sunflower and the activity of honey bees on sunflower.) Növénytermelés , 21
Sultan, M. S., Attia, A. N., Leilah, A. A. 1988: Response of sunflower ( Helianthus annuus L.) to sowing dates and NPK fertilization. J. Agric. Sci. Mansoura Univ. , 13 , 1
Békési P., Birtáné Vas, Z. (1999): Minősített napraforgó hibridek 1999. évi rezisztenciavizsgálatának eredményei. (Results of resistance studies on registered sunflower hybrids in 1999.) Gyakorlati Agrofórum
-Said, M. A. (2005): Productivity of some sunflower hybrids grown on newly reclaimed sandy soils as affected by irrigation regime and fertilization. Helia , 28 , 167–178. El-Said M. A
Introduction Sunflower ( Helianthus annuus L.) is the third most productive oleaginous plants in the world and has an increasing economic and agronomic importance. It is an important crop in Iran, which is grown 40,000 ha
Alvarez, D., Luduena, P., Frutos, E. (1992): Correlation and causation among sunflower traits. Proceedings of the 13th International Sunflower Conference, Pisa, Italy, 7–11 September 1992 . Vol. 2, pp. 957
) Aminolevulinic acid-induced changes in some key physiological attributes and activities of antioxidant enzymes in sunflower ( Helianthus annuus L.) plants under saline regimes . Sci. Hortic. 142 , 143 – 148 . 4
46 1488 1500 Hunyadi Borbely, E., Csajbok, J., Lesznyak, M. (2007): Relations between the yield of sunflower and the characteristics of the cropyear
