Journalartikel

Autorenliste: KLEIN, H; JENSCH, UE; JAGER, HJ

Jahr der Veröffentlichung: 1979

Seiten: 19-30

Zeitschrift: Angewandte Botanik

Bandnummer: 53

Heftnummer: 1-2

ISSN: 0066-1759

Verlag: Vereinigung für Angewandte Botanik

Abstract: 
The effects of soil contamination with ZnO, CdO and CuO on germination and vegetative growth of corn plants were investigated. In contrast to germination, which is only affected by high heavy metal concentrations in the soil, vegetative growth of the corn plants is impaired by low soil concentrations of Zn, Cd and Cu as they are found in polluted areas. In spite of their application as nearly insoluble oxides the heavy metals become plant available and are taken up in considerable amounts. While Zn and Cd are accumulated in roots and shoots, Cu is greatly retained in the roots of the corn plants. The only Zn toxicity symptom was an unspecific yield reduction at 448 ppm Zn in the roots and 326 and 456 ppm Zn in older leaves and stem, respectively. In contrast to this, toxic Cd concentrations of 33 ppm in roots and 34-148 ppm in shoots produced a shortening of the shoots and characteristic intensive-yellow streak chlorosis of the older leaves. Cu toxicity was indicated by a reduction in root weight at 69 ppm Cu in the roots. The consequences for the nutrition of animals and man resulting from comparably contaminated plant food stuffs from polluted areas are discussed.

Harvard-Zitierstil: KLEIN, H., JENSCH, U. and JAGER, H. (1979) HEAVY-METAL UPTAKE OF CORN PLANTS FROM A SOIL CONTAMINATED WITH ZINC, CADMIUM AND COPPER-OXIDE, Journal of applied botany = Angewandte Botanik, 53(1-2), pp. 19-30

APA-Zitierstil: KLEIN, H., JENSCH, U., & JAGER, H. (1979). HEAVY-METAL UPTAKE OF CORN PLANTS FROM A SOIL CONTAMINATED WITH ZINC, CADMIUM AND COPPER-OXIDE. Journal of applied botany = Angewandte Botanik. 53(1-2), 19-30.