Zur Ermittlung der Schwermetallverfügbarkeit lithogen und anthropogen belasteter Standorte. 1. Cd und Cu

Grupe, Marianne; Kuntze, H.

doi:10.1002/jpln.19881510510

Cited by 13 publications

(3 citation statements)

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“…While the zinc content of wheat grain was not increased by feeding high zinc concentrations to wheat shoots (Herren and Feller, 1996), a linear relationship was found between the cadmium content of the soil and of wheat grain (Mortvedt, Mays and Osborn, 1981 ;Davis, 1984 ;Grupe and Kuntze, 1988). Zinc introduced into the cut stem of wheat plants was shown to be removed from the transpiration stream in the peduncle, loaded into the phloem and transported to the maturing grains (Herren and Feller, 1994).…”

Section: Introductionmentioning

confidence: 99%

Transport of Cadmium via Xylem and Phloem in Maturing Wheat Shoots: Comparison with the Translocation of Zinc, Strontium and Rubidium

Herren

Feller

1997

Annals of Botany

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The toxic heavy metal cadmium is taken up by plants and may contaminate harvested parts of agricultural crops. In the experiments reported here, cadmium was introduced together with markers for phloem (rubidium) and xylem (strontium) transport, either into intact shoots via a flap below the flag leaf node, or into detached shoots via the cut stem. Cadmium introduced into intact plants was redistributed during maturation from the peduncle and the flag leaf lamina to the grain. In detached shoots, some cadmium was removed from the transpiration stream, as judged from the comparison of shoots steam-girdled below the ear and of controls with an intact phloem in the peduncle. A minor quantity of cadmium was transported to the grain via the phloem in control shoots while a high percentage of this element was retained in the peduncle. The cadmium content of the grain increased in response to the increased cadmium concentrations in the feeding solutions (0n1 to 10 µ). The cadmium content of the grain was slightly lower when zinc (10 µ) was introduced at the same time as cadmium (1 µ).

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Section: Introductionmentioning

confidence: 99%

Transport of Cadmium via Xylem and Phloem in Maturing Wheat Shoots: Comparison with the Translocation of Zinc, Strontium and Rubidium

Herren

Feller

1997

Annals of Botany

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“…Der GefiiRversuch und weitere Untersuchungen (Gtwp u. K u n t x , 1988;Filipinski, 1989;Koster u. Merkel, 1985) zeigen, daR nicht nur bei anthropogener Belastung, sondern auch bei entsprechend hoher geogener (lithogener und pedogener) Anreicherung des Bodens kritische Cd-Konzentrationen in Pflanzen (Grenzwert der Futtermittelversorgung, ZEBS-Richtwert) moglich sind. Auf Cadmium anthropogener Herkunft ist jedoch besonders zu achten; denn bei vergleichbaren Bodengehalten war das CdO, als eine der h hfigsten Bindungsformen anthropogener Cd-Quellen, fur Pflanzen um das 2-3fache besser verfugbar als das Cadmium geogener (lithogener bzw.…”

Section: Schlufibetrachtungunclassified

Pflanzenaufnahme und Extrahierbarkeit von lithogen, pedogen und anthropogen angereichertem Cadmium in einem Parabraunerde‐Ap‐Horizont aus Löß

Filipinski¹,

Kuntze

1990

J Plant Nutrition & Soil

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In einem Gefäßversuch wurde ein Parabraunerde‐Ap‐Horizont aus Löß mit cadmiumhaltigem Material lithogener, pedogener und anthropogener Herkunft zusätzlich belastet. Dieser Versuch wurde im Konzentrationsbereich zwischen 1,5 und 6 mg Cd/kg Boden durchgeführt. Die Belastung des Bodens mit CdO (anthropogene Cd‐Quelle) hatte eine zwei bis dreifache Erhöhung der Konzentration im Welschen Weidelgras (Lolium multiflorum) und im Spinat (Spinacae oleracea) gegen‐über der Cd‐Anreicherung lithogener (Gesteinsmehl) und pedogener (Ah‐bzw. By‐Material) Herkunft zur Folge. Die DTPA‐Extraktion erfaßte mehr als 60% des anthropogen angereicherten Cadmiums. Bei der lithogenen bzw. der pedogenen Cd‐Quelle lag der extrahierbare Anteil um den Faktor 2 bis 3 niedriger. Die CaCl2‐ und die Säuren‐Extraktion (0, 1 M HCl + 0, 125 M H2SO4) gaben diese Unterschiede nur unzureichend wieder. Zwischen dem DTPA‐extrahierbaren Cadmium im Boden und den Cd‐Gehalten in den Testpflanzen bestanden die engsten statistischen Beziehungen.

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“…The amount of copper consumed by plants is proportional to its concentration in the substrate (Kabata-Pendias, Pendias, 1999). Copper from anthropogenic sources is better absorbed than its natural forms found in soils (Grupe, Kuntze, 1988). To meet the physiological needs of plants, small concentrations of copper are sufficient (> 2 ppm/dry mass).…”

Section: Introductionmentioning

confidence: 99%

Effect of copper and vanadium ions on morphology of carrot (Daucus carota L. subsp. sativus (Hoffm.) Schübl. & G. Martens) and wheat (Triticum aestivum L.) plants

2018

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In the whole world, researches are conducting on toxic effect of heavy metals on living organisms. The problem with heavy metal occurrence in the environment is not only associated with their toxicity, but also with their ability to accumulate inside living organisms. This study presents the effect of copper and vanadium ions on germination and growth of carrot (Daucus carota L subsp. sativus (Hoffm.) Schübl. & G. Martens.) and winter wheat (Triticum aestivum L.). The experiment was carried out in two independent series with ten repetitions each. The water solutions of copper (CuSO4) and vanadium (H4NO3V) salts with the concentrations: 0.6 mM, 0.3 mM, 3 mM and 6 mM were used. The control groups were objects watered with distilled water. The conducted experiment showed that, the copper and vanadium ions had negative effect on germination and growth of plants. With the increasing of concentration of heavy metal ions an inhibition of seeds germination capacity was observed. The length of D. carota and T. aestivum seedlings in each salt solutions was inhibited, compared to the control group. During the growth phase, the stimulation of wheat leaves growth, only on copper solutions with concentration 3 mM and 6 mM was observed. Changes of a fresh and dry weight, and a water content were observed, depending on the copper and vanadium ions concentration.

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Zur Ermittlung der Schwermetallverfügbarkeit lithogen und anthropogen belasteter Standorte. 1. Cd und Cu

Cited by 13 publications

References 3 publications

Transport of Cadmium via Xylem and Phloem in Maturing Wheat Shoots: Comparison with the Translocation of Zinc, Strontium and Rubidium

Transport of Cadmium via Xylem and Phloem in Maturing Wheat Shoots: Comparison with the Translocation of Zinc, Strontium and Rubidium

Pflanzenaufnahme und Extrahierbarkeit von lithogen, pedogen und anthropogen angereichertem Cadmium in einem Parabraunerde‐Ap‐Horizont aus Löß

Effect of copper and vanadium ions on morphology of carrot (Daucus carota L. subsp. sativus (Hoffm.) Schübl. & G. Martens) and wheat (Triticum aestivum L.) plants

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