New approaches for the study of osmotic stress induced by polyethylene glycol (PEG) in cereal species.
Adsorptive removal of iron and manganese ions from aqueous solutions with microporous chitosan/ polyethylene glycol blend membrane.
(D), net C[O.sub.2] assimilation rate (E), leaf Fe (F) and Mn concentrations (G), and leaf (H) and root (I) starch concentrations of 'Valencia' sweet orange (VO) grafted onto 'Rangpur' lime (RL) and 'Swingle' citrumelo (SC) rootstocks in pots, and irrigated with polyethylene glycol (PEG) at -376 kPa from 15 to 120 days after grafting.
Initial symptoms of phytotoxic effects in grafted citrus plants irrigated with polyethylene glycol (PEG) solution (A and B); advanced phytotoxic symptoms in grafted citrus plants irrigated with PEG solution at -376 kPa (C and D); healthy aspect of new shoot flush after restoring regular water irrigation without PEG solution (E).
Leaf nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg), boron (B), copper (Cu), iron (Fe), manganese (Mn) and zinc (Zn) concentrations in 'Valencia' sweet orange grafted onto 'Rangpur' lime (RL) and 'Swingle' citrumelo (SC) rootstocks, grown in pots and irrigated with polyethylene glycol (PEG) at -376 kPa from 15 to 120 days after grafting.
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