Abstract
Biological study was conducted in a green-house at Mosul University, College of Education, Department of Biology. The aim is to study the effect of different concentrations of heavy metals lead (Pb) and nickel (Ni) at levels (0,100, 200, 300) mg/Kg of soil on growth and some physiological aspects for sun flower plant. The results of the study showed that addition of the lead and nickel to the soil showed a significant decrease in growth, relative water content, degree of cytoplasmic membrane, chlorophyll (a,b), total (a+b), chlorophyll (a/b), area of leaves / plant, carbohydrates and protein content of leaves. While there was a significant increase of proline accumulation in leaves. In the other hand, there was a significant increase in the concentration of lead in comparison with nickel's concentration.
Highlights
The results of the study showed that addition of the lead and nickel to the soil showed a significant decrease in growth, relative water content, degree of cytoplasmic membrane, chlorophyll (a,b), total (a+b), chlorophyll (a/b), area of leaves / plant, carbohydrates and protein content of leaves
Biological study was conducted in a green-house at Mosul University
The aim is to study the effect of different concentrations of heavy metals lead
Summary
The results of the study showed that addition of the lead and nickel to the soil showed a significant decrease in growth, relative water content, degree of cytoplasmic membrane, chlorophyll (a,b), total (a+b), chlorophyll (a/b), area of leaves / plant, carbohydrates and protein content of leaves. محتوى الماء النسبي ودرجة ثبات الاغشية الخموية يتبين من نتائج الجدول ( )3ان اضافة عنصري الرصاص والنيكل باربعة ت اركيز ىي ( )300 ،200 ،100 ،0جزء بالمميون/كغم تر ةب ،ادى الى حصول انخفاض معنوي في محتوى
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