Abstract
The aim of this study was to investigate the changes of some biochemical parameters during the amelioration after period o short term treatment of wheat with arsenic, cadmium and lead. A decrease was observed in the experimental groups, in which 15 μM, 30 μM, and 60 μM (arsenic, lead, and cadmium) metal ion mixture was applied, in terms of the germination rate depending on the increased concentration, and a decrease was observed in the root and stem dry weights of the plants in all groups. MDA levels were determined to increase at all doses. It was determined that heavy metals accumulated by increasing in the tissues due to the increased concentration of heavy metals in the heavy metal ion-applied groups. There were significant changes in the expression levels of antioxidant enzymes. As a result, it was determined in the study that there were significant changes in some biochemical and physiological parameter�s which are the primary response to oxidative stress in plants exposed to heavy metals, depending on the stress. This reason it can be concluded that arsenic, lead and cadmium contents in media can be the responsible for growth inhibition.
Highlights
Plants are exposed to various stress factors during their growth and development
The most important environmental factors that cause stress on plants are mining, urban and industrial wastes, various substances such as pesticides, herbicides and artificial fertilizers used in agriculture and heavy metals given into the ecosystem through exhaust gases, which are released in traffic
While heavy metals such as cadmium, lead, and arsenic, leading to pollution in the ecosystem, cause heavy metal stress on cereal products with economic significance, they limit the growth of these products and decrease the product yield and quality [1]
Summary
The most important environmental factors that cause stress on plants are mining, urban and industrial wastes, various substances such as pesticides, herbicides and artificial fertilizers used in agriculture and heavy metals given into the ecosystem through exhaust gases, which are released in traffic. While heavy metals such as cadmium, lead, and arsenic, leading to pollution in the ecosystem, cause heavy metal stress on cereal products with economic significance, they limit the growth of these products and decrease the product yield and quality [1]. Mutagen and carcinogen effects in humans[7, 8]
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