The effect of water potential on accumulation of some essential elements in sugarbeet leaves (Beta vulgaris ssp. vulgaris)
2003
Maksimovic, I.V. (Faculty of Agriculture, Novi Sad (Serbia and Montenegro)) | Kastori, R.R. | Petrovic, N.M. | Kovacev, L.M. | Sklenar, P.S.
An investigation has been conducted on the effect of reduced water potential in nutrient solution on the accumulation of some essential macro- and micronutrients in the aboveground parts of young sugarbeet plants. Plants of 8 different sugarbeet genotypes were exposed for 21 days to a nutrient solution whose water potential of 0.1 MPa was regulated by PEG. Contents of N, P, K, Ca, Mg, Fe, Mn, Cu and Zn declined in all genotypes under water deficiency, but the intensity of reduction varied among the genotypes. The results indicated that some harmful effects of water deficiency could be attributed to disturbances in plant mineral nutrition, especially the lack of N, P, and Mg, as well as to impaired ratios between the contents of particular elements, especially K/Ca.
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