Volume No. 8 Issue No.: 2 Page No.: 206-213 Oct-Dec 2013

 

TOXIC EFFECT OF HEAVY METALS ON GERMINATION AND SEEDLING GROWTH OF WHEAT

 

Gang A., Vyas A.1 and Vyas H.*2

1. S. S. in Microbiology, Vikram University, Ujjain, Madhya Pradesh (INDIA)
2. Department of Botany, Govt. Kalidas Girls College, Ujjain, Madhya Pradesh (INDIA)

 

Received on : June 10, 2013

 

ABSTRACT

 

Heavy metal pollution is one of the major environmental problems of the present century. It is mainly due to the anthropogenic activities. Many industries, including metallurgy, electroplating, paints and pigments industries, tanning, wood preservation, chemical industries and pulp and paper producing industries use various heavy metals and discharge from these industries largely contribute to heavy metal pollution. Land disposal of wastes/effluents containing heavy metals contaminate soil ecosystem and once present in the soil the metals are persistent. Although living organisms require metals for their growth but at high concentration they become toxic to plants and animals. India is primarily an agriculture based country and if crops are grown on soil containing high amount of heavy metals then their growth will be adversely affected. Wheat is the main food crop of India and we wanted to study the effect of different heavy metals on its germination and seedling growth. In this paper the effect of copper, chromium and cobalt on seed germination, root and shoot growth of wheat is described. Our results show that seed germination and root and shoot growth is significantly reduced at high concentrations of all the three heavy metals.

 

Keywords : Heavy metals, Copper, Chromium, Cobalt, Wheat, Germination, Seedling growth

 

 

BACK