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Volume :16 Issue : 1 1989      Add To Cart                                                                    Download

The effect of some heavy metals on leaf spot disease

Auther : A. R. T. SARHAN AND T. K. JALAL

Department of Biology, College of Science, University of Salahaddin, Arbil, Iraq

 

ABSTRACT

 

A study on the control of leaf spot disease of barley plants, caused by Helminrhosporium

sativum, with the use of some heavy metals (Cu, Cd, Ni and Zn) was carried out. Results

showed that when Cu and Zn were applied to the soil they significantly reduced disease

symptoms. All chemicals were found to be fungitoxic in vitro. Some of the chemicals (Ni and Cd) were found to be toxic to seeds, which adversely affected the seed germination. There were significant differences in both dry weight and height of plants treated with Cu and Zn.

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