Abstract
Seedlings of 15 rye (Secale cereale L.) cultivars and lines were evaluated regarding the dry matter accumulation and the content of essential nutrient elements, grown in modified Hoagland nutrient solution in the phytotron of the Agricultural Research Institute in Martonvásár. Osmotic or/and nutrient stresses were imposed by applying PEG or/and 8−1 strength nutrient solution.
The dry matter accumulation of cultivars can be evaluated according to absolute and relative quantities: the most dry matter was accumulated by the variety Lovászpatonai, but it was reduced by 47% compared to its control. On the other hand S838587 accumulated the same quantity (82 mg) of shoot dry matter in control and stressed treatments as well.
Regarding the nutrient elements examined, the osmotic stress had generally little effect. The nutrient deficiency and the combined stress decreased the N content of shoots equally. The decrease was much smaller in the roots. In opposition, the P2O5 content of the shoots was always higher than that of the roots. It was the K2O content of plants that decreased the most in all genotypes becausse of stresses and the extent of change in roots overpassed the shoots. The differences found in dry matter accumulation and nutrient content of rye seedlings verified the existence of variance in the reaction to stresses among the studied genotypes.
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© 1999 Springer Science+Business Media Dordrecht
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Hoffmann, B., Galiba, G. (1999). Interaction of Nutrient and Water Deficiency on the Development of Rye (Secale Cereale L) Genotypes. In: Gissel-Nielsen, G., Jensen, A. (eds) Plant Nutrition — Molecular Biology and Genetics. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-2685-6_37
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DOI: https://doi.org/10.1007/978-94-017-2685-6_37
Publisher Name: Springer, Dordrecht
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